Fix CHANGELOG for GH import fixes

See merge request !7173

Merge branch 'ee-1159-allow-permission-check-bypass-in-approve-access-request-service' into 'master'

Allow Members::ApproveAccessRequestService to accept a new `:force` option

## What does this MR do?

See the commit message.

This is a backport of the EE fix for https://gitlab.com/gitlab-org/gitlab-ee/issues/1159: gitlab-org/gitlab-ee!830

See merge request !7168

Merge branch '23872-members-of-group-that-has-project-access-getting-404-on-accessing-a-project-issue' into 'master'

Fix project member access for group links

Closes #23872.

See merge request !7144

Pass user instance to Labels::FindOrCreateService or skip_authorization: true

## What does this MR do?

It fixes a bug described in #23694 when `project.owner` was passed to `Labels::FindOrCreateService`. `Labels::FindOrCreateService` expected a user instance and `project.owner` may return a group as well. This MR makes sure that we either pass a user instance or `skip_authorization: true`.

## Are there points in the code the reviewer needs to double check?

- places where we pass `skip_authorization: true`

## Does this MR meet the acceptance criteria?

- Tests
  - [x] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if it does - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?

Fixes #23694

See merge request !7093

Use optimistic locking

## What does this MR do?
Removes the usage of pessimistic locking in favor of optimistic which is way cheaper and doesn't block database operation.

Since this is very simple change it should be safe. If we receive `StaleObjectError` message we will reload object a retry operations in lock.

However, I still believe that we need this one: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7005 as this will reduce a load on Database and FS.
This changes a behavior from:

### Pesimistic locking (previous behavior)

#### For updating
1. SELECT * FOR UPDATE (other updates wait on this)
2. we update ci_pipeline
3. latest_build_status
4. enqueue: (use: transition :created -> :pending)
5. [state_machine] we are in  state created, we can go to pending
6. [state_machine] ci_pipeline.status = created
7. [state_machine] ci_pipeline.save
8. [state_machine] after_transition: (if for success): PipelineSuccessWorker on Sidekiq
9. release DB lock

#### If no update is required
1. SELECT * FOR UPDATE (other updates wait on this)
2. we update ci_pipeline
3. latest_build_status
4. we are in pending, we can't transition to pending, because it's forbidden
5. release DB lock

### Optimistic locking (implemented by this MR)

#### For updating
1. latest_build_status
2. enqueue: (use `transition :created -> :pending`)
3. [state_machine] we are in state created, we can go to pending
4. [state_machine] ci_pipeline.status = created
5. [state_machine] ci_pipeline.save
6. [state_machine] [save] where(lock_version: ci_pipeline.lock_version).update_all(status: :created, updated_at: Time.now)
7. [state_machine] [save] unless we_updated_row then raise ObjectInconsistentError

#### If no update is required
1. we update ci_pipeline
2. latest_build_status
3. we are in pending, we can't transition to pending, because it's forbidden

## Why was this MR needed?
We have been seeing a number of problems when we migrated Pipeline/Build processing to Sidekiq. Especially we started seeing a lot of blocking queries.

We used a pessimistic locking which doesn't seem to be required. This effectively allows us to fix our issues with blocked queries by using more efficient method of operation.

## What are the relevant issue numbers?
Issues: https://gitlab.com/gitlab-com/infrastructure/issues/623 and https://gitlab.com/gitlab-com/infrastructure/issues/584, but also there's a bunch of Merge Requests that try to improve behavior of scheduled jobs.

cc @pcarranza @yorickpeterse @stanhu

See merge request !7040

Delete issue board welcome cookie

## What does this MR do?

This was seen in the idea to production demo, because the project had already existed on the exact same URL the cookie already existed which meant the blank state wasn't shown. 

This MR deletes the cookie on project create.

See merge request !6899

This param allows to bypass permission check. It is useful for LDAP-sync
where even owners don't have the :admin_group_member permission.

See
https://gitlab.com/gitlab-org/gitlab-ee/blob/6081c37123abae4570f78831b33c2f45f92c2765/app/policies/group_policy.rb#L38
and https://gitlab.com/gitlab-org/gitlab-ee/issues/1159Signed-off-by: Rémy Coutable <remy@rymai.me>

Replace static fixture by generated one in issue_spec.js

## What does this MR do?

- clean up `issue_spec.js`
- introduce an alternative approach to #19445
  - rename `rake teaspoon` to `rake teaspoon:tests`
  - introduce `rake teaspoon:fixtures` which generates fixtures using RSpec
  - introduce `rake teaspoon` which runs `rake teaspoon:fixtures` and `rake teaspoon:tests`

## Why was this MR needed?

- many duplications
- missing existence checks
- missing conditions
- static fixtures don't match real views

## Reasoning

I want to explain some of my decisions here, so that they stay visible for future discussions.

### Why not HAML?

- same number of HAML templates as number of fixtures (many input files)
- embedded logic less readable
- can not be rendered by JavaScript (because of inline Ruby)

### Why RSpec?

- real controllers for fixtures
- spys available for mocking
- easily report failed fixture generations

### Why not magic_lamp? (#19445)

- introduces another dependency/tool
- needs to run a server concurrently to teaspoon
- makes it harder to use a JavaScript test runner
- static HTML files serve faster

See merge request !6059

These changes are targeted for 8.13.2, not 8.14.

Modify GitHub importer to be retryable

Closes #23533

See merge request !7003

Only show one error message for an invalid email

Changes it to only validate the notification_email format if it's different from email.

Closes #5905

See merge request !7158

Stop unauthorized users dragging on milestone page

Closes #13670

See merge request !7113

Document admin access requirement for /deploy_keys endpoint

Closes #23807

See merge request !7164

Fix and improve `Sortable.highest_label_priority`

Closes #23928

See merge request !7165

API: Fix booleans not recognized as such when using the `to_boolean` helper

Fixes #22831
Fixes #23890

See merge request !7149

Jira refactoring to jira gem

part of gitlab-org/gitlab-ee#1008

Original MR: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2572/commits

See merge request !6598

Prevent a spec from failing in `spec/features/merge_requests/diff_notes_resolve_spec.rb`

## What does this MR do?

Fixes a failing spec in `spec/features/merge_requests/diff_notes_resolve_spec.rb`

## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?

Tests failing on master. RSpec executes inner `before` blocks after outer `before` blocks, so the second note was being added *after* loading the page, and then being pulled in by running JS on the page, causing intermittent failures if we clicked the resolve button before the note was loaded.

## Screenshots (if relevant)

## Does this MR meet the acceptance criteria?

- [ ] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG.md) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if it does - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?

Closes #23875

See merge request !7150

Merge branch 'bugfix/dragging_milestones' of gitlab.com:blackst0ne/gitlab-ce into bugfix/dragging_milestones

Do not pass project.owner because it may return a group and Labels::FindOrCreateService
throws an error in this case.
Fixes #23694.

Fix couple of GitHub importing bugs

Fix a bug in GH comment importing and label applying for imported MRs.

See merge request !7139

`ProjectTeam#find_member` doesn't take group links into account. It was
used in two places:

1. An admin view - it can stay here.
2. `ProjectTeam#member?`, which is often used to decide if a user has
   access to view something.

This second part broke confidential issues viewing. `IssuesFinder` ends
up delegating to `Project#authorized_for_user?`, which does consider
group links, so users with access to the project via a group link could
see confidential issues on the index page. However, `IssuesPolicy` used
`ProjectTeam#member?`, so the same user couldn't view the issue when
going to it directly.

edited stylesheet with mr modal fixes and added to changelog

## What does this MR do?
It shortens the modal command merge info elements.

## Are there points in the code the reviewer needs to double check?
I used the `.dark` class.. is that correct usage?
Made no issue as this is a minor upgrade to UI

## Why was this MR needed?
Clipboard buttons could obscure information in the merge info modal, this way its clean.

## Screenshots (if relevant)

From:
![image](/uploads/99269c9a314c593cb06239c27565b07c/image.png)

To:
![image](/uploads/7e278a5aaa8c57270e8a320cc270b5d8/image.png)


## Does this MR meet the acceptance criteria?

- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if it does - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?
None, its a quick fix

See merge request !7145

Add section about contributing to README

Closes #23830

See merge request !7137