Refactor dispatcher dashboard projects route

See merge request gitlab-org/gitlab-ce!16321

Refactor dispatcher dashboard issues path

See merge request gitlab-org/gitlab-ce!16305

Migrate GitlabProject (re)move project endpoints

Closes gitaly#873

See merge request gitlab-org/gitlab-ce!16249

Add support for multiple refmaps to RemoteService#add_remote

Closes gitaly#903

See merge request gitlab-org/gitlab-ce!16331

Refactor dashboard milestone show inside dispatcher

See merge request gitlab-org/gitlab-ce!16304

Refactor dashboard milestone index inside dispatcher

See merge request gitlab-org/gitlab-ce!16303

Restore sidebar collapse button padding #41803

See merge request gitlab-org/gitlab-ce!16323

Fix hooks not being set up properly for bare import Rake task

Closes #41739

See merge request gitlab-org/gitlab-ce!16280

Use 0.69 version of codeclimate image for CI  code quality docs

See merge request gitlab-org/gitlab-ce!16319

Closes #41739

This reverts commit 8040edcc.

This reverts commit a2cb9249.

Migration is done through a small refactoring, which makes us call
endpoins which are performing the same actions for namespaces.
Tests are added to ensure only the project is removed that should be
removed.

Closes gitlab-org/gitaly#873

Closes gitaly#903

Fixing bug related to wiki last version

Closes #41477 and #41506

See merge request gitlab-org/gitlab-ce!16197

Improve SSH database key lookup documentation

Closes #41399

See merge request gitlab-org/gitlab-ce!16048

Resolve "Download menu expands past the fold and doesn't auto size to the bottom height of the browser window"

Closes #41570

See merge request gitlab-org/gitlab-ce!16299

Fix changes dropdown ellipsis working across browsers

Closes #41561 and #41684

See merge request gitlab-org/gitlab-ce!16281

fix example in ci ssh_keys documentation

See merge request gitlab-org/gitlab-ce!16079

Add note about only 20 commits being included in push payload

See merge request gitlab-org/gitlab-ce!16149

Fix the header level for the Changelog Arguments documentation

See merge request gitlab-org/gitlab-ce!16158

Specifies the accepted refs for downloading an archive via the API

Closes #19843

See merge request gitlab-org/gitlab-ce!16222

Update irker documentation to mention an irker bug with key-protected channels.

See merge request gitlab-org/gitlab-ce!16274

Add option to disable commit stats to commit API

Closes #41681

See merge request gitlab-org/gitlab-ce!16309

Fix: remove unnecessary line

Closes #41501

See merge request gitlab-org/gitlab-ce!16289

Closes #41561

Backport authorized_keys

Closes gitlab-ee#3953

See merge request gitlab-org/gitlab-ce!16014