Increase performance when creating discussion on diff

Closes #49002

See merge request gitlab-org/gitlab-ce!21743

Fixes WIP text with two different colors in MR edit page

Transforms a `p` element in a `div` to guarantee WIP
the explanation is rendered inside `text-muted`

See merge request gitlab-org/gitlab-ce!21740

Use gitlab-ui 1.5.1

See merge request gitlab-org/gitlab-ce!21865

Use the new gitaly auth scheme (v2)

See merge request gitlab-org/gitlab-ce!21417

Backport Admin menu changes from EE

See merge request gitlab-org/gitlab-ce!21864

Doesn't synchronize default branch for push mirrors

Closes #51725

See merge request gitlab-org/gitlab-ce!21861

Using path syntax to include Admin namespace as part of Project
controller menu expansion code, in order to not conflict with same
controller name but in Geo namespace.

Align form labels following Bootstrap 4 docs

See merge request gitlab-org/gitlab-ce!21752

We should not synchronize the source repository with
the target root ref while updating a push mirror.

Correct grammar (setup to set-up) in Docs

See merge request gitlab-org/gitlab-ce!21857

Allows to sort projects by most stars

Closes #47203

See merge request gitlab-org/gitlab-ce!21762

Cycle Analytics - Fix broken feature page link

See merge request gitlab-org/gitlab-ce!21855

Rename some css classes that are shared between issues and mrs

See merge request gitlab-org/gitlab-ce!21856

Add note about projects when user is deleted

See merge request gitlab-org/gitlab-ce!21843

Fix leading slash in redirects and add cop

Closes #37423 and #50645

See merge request gitlab-org/gitlab-ce!21828

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Correct Gitlab Capitalization in code files

See merge request gitlab-org/gitlab-ce!21841

Merge branch '47398-user-is-unable-revoke-a-authorized-application-unless-user-oauth-applications-is-checked-in-admin-settings' into 'master'

Resolve "User is unable revoke a Authorized application unless User OAuth applications is checked in admin settings"

Closes #47398

See merge request gitlab-org/gitlab-ce!21835

[ci skip]

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Fixed toBeTruthy to toBe(true) in spec

Fixed toggling new notes caused by not returning the stores discussion

We now use the returned discussion instead of re-fetching
all of the discussions and filtering out the ones we don't need.
This speeds up the process of creating a diff discussions
by saving us another API request before we can render the discussion

Fix activity titles for MRs in chat notification services

Closes gitlab-ee#5325

See merge request gitlab-org/gitlab-ce!21834

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Fix long webhook URL overflow for custom integration

Closes #41040

See merge request gitlab-org/gitlab-ce!21668