Fix broadcast message not showing up on login page

Closes #13634

See merge request gitlab-org/gitlab-ce!15578

Set an artificial $HOME for gitaly in test

See merge request gitlab-org/gitlab-ce!15614

Copy `KubernetesService` logic in `Clusters::Platforms::Kubernetes` to make it interchangeable. And implement a selector.

See merge request gitlab-org/gitlab-ce!15515

Multi-file editor dirty diff indicator

Closes #40046

See merge request gitlab-org/gitlab-ce!15423

Update installation.md with receive.advertisePushOptions

See merge request gitlab-org/gitlab-ce!14430

fix for special charecter in file names

Closes #40146

See merge request gitlab-org/gitlab-ce!15606

Count the commits directly

See merge request gitlab-org/gitlab-ce!15628

Only load branch names for protected branch checks

See merge request gitlab-org/gitlab-ce!15629

Resolve "Clone dropdown should not have a tooltip"

Closes #39455

See merge request gitlab-org/gitlab-ce!15334

Remove blank/empty flash messages caused by nil

Closes #40671

See merge request gitlab-org/gitlab-ce!15658

Refactor 'copy-to-clipboard.js'

See merge request gitlab-org/gitlab-ce!15531

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/40671

See
https://gitlab.com/gitlab-org/gitlab-ce/blob/f7254a4060b30e3134c6cf932eaba0fc8e249e9a/app/controllers/sessions_controller.rb#L42
for an example of where we set `flash[:notice] = nil`

fix icon colors in commit list

Closes #40629

See merge request gitlab-org/gitlab-ce!15640

Redirect to an already forked project if it exists

See merge request gitlab-org/gitlab-ce!15653

support ordering of project notes in notes api

See merge request gitlab-org/gitlab-ce!15342

When checking if a branch is protected we don't need all columns of
every protected branch row, instead we only care about the names. By
using "select" here we reduce the amount of data we need to send over
the wire and load into memory.

fix link that was linking to `html` instead of `md`

See merge request gitlab-org/gitlab-ce!15646

Before the we would try to `POST` to the project path, which would
result in a 404, because that `POST` is not supported.

By changing this back to a normal link, not not handled in JS, we can
immeadiatly redirect.

Remove serialised diff and commit columns

Closes #39533

See merge request gitlab-org/gitlab-ce!15582

Create fork networks for deleted source projects

Closes #40072

See merge request gitlab-org/gitlab-ce!15595

Minor backport from EE

See merge request gitlab-org/gitlab-ce!15647

Rescheduling will make sure the fork networks with a deleted source
project are created.

That way we can join forks-of-forks into the same network even if
their original source was deleted.

Consider the following:

  `awesome-oss/badger` is forked to `coolstuff/badger`, which is
  forked to `user-a/badger` which in turn is forked to
  `user-b/badger`.

  When `awesome-oss/badger` is deleted, we will now create a fork
  network with `coolstuff/badger` as the root. The `user-a/badger`
  and `user-b/badger` projects will be added to the network.

Added IDE commit panel

Closes #40041

See merge request gitlab-org/gitlab-ce!15583

Fix item name and namespace text overflow in Projects dropdown

Closes #39827

See merge request gitlab-org/gitlab-ce!15451

Reuse authors when rendering event Atom feeds

See merge request gitlab-org/gitlab-ce!15630

Resolve "Customize branch name when using create branch in an issue"

Closes #21143

See merge request gitlab-org/gitlab-ce!13884

Improve autosize spec

See merge request gitlab-org/gitlab-ce!15620

SSHUploadPack over Gitaly is now OptOut

Closes gitaly#730

See merge request gitlab-org/gitlab-ce!15623

(to be consistent)

Backport - Add border for epic edit button

See merge request gitlab-org/gitlab-ce!15637