feat: add Infinite scroll to "Add Projects" modal in the operations dashboard

See merge request gitlab-org/gitlab!17842

* Imports the GlInfiniteScroll component to project selector
* Adds totalResults to state which is the number of projects
* Adds mutations for fetching the headers with the results information

Fix projects new page performance

See merge request gitlab-org/gitlab!18180

- Introduce OptimizedGroupsWithTemplatesFinder that queries group
templates more efficiently.
- Introduce a feature flag to enable the optimization:
`optimized_groups_with_templates_finder`

Fix Arel deprecations for Rails 6

Closes #28497

See merge request gitlab-org/gitlab!19869

API call for Create Vulnerability from Finding

See merge request gitlab-org/gitlab!18283

Make title_html field optional in order to be
controlled by CacheMarkdownField logic. Add
POST /projects/:id/vulnerabilities API call.
Add create_vulnerability ability for User.
Add Vulnerabilities::CreateService and
model methods and scopes required for its
functioning. Add new factories and traits.

Revert "Merge branch 'mfluharty-clickable-links-in-file-view' into 'master'"

See merge request gitlab-org/gitlab!19887

Run check_mergeability only if merge status requires it

See merge request gitlab-org/gitlab!19364

If merge_status is not unchecked there's no need to
run whole MergeabilityCheckService because the
merge_status column won't be updated in this case

Revert "Merge branch 'optimise-avatar-requests-part-two' into 'master'"

See merge request gitlab-org/gitlab!19942

Mark todo done by GraphQL API

See merge request gitlab-org/gitlab!18581

Fix loading all issues when board list is collapsed

Closes #26207

See merge request gitlab-org/gitlab!19347

Conan Remove API Endpoints

See merge request gitlab-org/gitlab!17846

Implements the DELETE API endpoint for the conan package
registry to remove conan packages and their package files.

This reverts merge request !19822

Render folder lock icon in table rows

See merge request gitlab-org/gitlab!19776

Add project package api call to api.js

See merge request gitlab-org/gitlab!19685

- paths and function in api.js
- unit tests

Updated deployment api docs with pipeline data

Closes #27226

See merge request gitlab-org/gitlab!19876

Docs: add troubleshooting for domain verification

Closes #28635

See merge request gitlab-org/gitlab!19885

Fix merge train is not refreshed when the system aborts/drops a merge request

See merge request gitlab-org/gitlab!19763

Triggers the correct endpoint on licence approval

See merge request gitlab-org/gitlab!19078

Previously we were requesting the data from the old endpoint on license
approval regardles of the feature flag state. This rectifies that
situation.

When a folder is locked this renders the lock icon next
to the folder name

Remove N+1 DB calls from branches API

See merge request gitlab-org/gitlab!19661

Create package list vue component

See merge request gitlab-org/gitlab!19613

Add list component based on gltable

Add index file to import vue app in rails page

Adjust base app, naming and props

List mock data, adjust slot syntax

Add styling, sorting component to list

Basic unit tests for package list component

More tests for list component

Update haml with required attrs for vue

- help url
- illustration path
- remove hardcoded list data

This commit fixes the merge train bug that
it's not refreshed on abort

Track container registry events in API endpoints

See merge request gitlab-org/gitlab!19591

Add events for tracking listing and deleting of tags
and repositories in the gitlab API for the container
registry.

Wraps unsafe SQL passed to `#order` and `#pluck`.

Not all instances of the deprecation message are fixed here
because the others should be whitelisted by
https://github.com/rails/rails/pull/36448 which is included
in Rails 6.

This also fixes a deprecation related to calling delegating
arel methods.

Add QA login flow

See merge request gitlab-org/gitlab!19474

Adds a Flow module for frequently used sequences of actions

Adds a login flow, including for logging in, performing some actions
and then logging out.

Updates a test as an example of how to use the login flow.

Adds a class method `QA::Resource::User.admin` to provide access
to the admin user's details (include username/password needed to
sign in)

Update various redirected and 404'ing links

See merge request gitlab-org/gitlab!19748

Update assorted links that are redirecting or
throwing 404 errors, to their correct final urls

Add a note about herokuish procfile exec

See merge request gitlab-org/gitlab!19686