Resolve "Hide cluster features that don't work yet with Group Clusters"

Closes #55103

See merge request gitlab-org/gitlab-ce!23935

Merge branch '51606-expanding-a-diff-while-having-an-open-comment-form-will-always-scroll-down-to-the-comment' into 'master'

Resolve "Expanding a diff while having an open comment form will always scroll down to the comment"

Closes #51606

See merge request gitlab-org/gitlab-ce!23849

Adds Vuex Store for the releases page

See merge request gitlab-org/gitlab-ce!23796

[EE Port] Adds Vuex Store for the releases page

See merge request gitlab-org/gitlab-ee!8911

Resolve "Sidebar styling updates"

Closes #54814

See merge request gitlab-org/gitlab-ce!23816

Resolve "Adapt subscriptions page for free plans and trials"

Closes #8838

See merge request gitlab-org/gitlab-ee!8838

Resolve "Hide cluster features that don't work yet with Group Clusters"

See merge request gitlab-org/gitlab-ee!8924

Replace outer padding of issue boards switcher with margin

See merge request gitlab-org/gitlab-ee!8929

Dismiss epic promotion and persist across reload

See merge request gitlab-org/gitlab-ee!8885

Remove duplicate padding from issue board switcher

Closes #8937

See merge request gitlab-org/gitlab-ee!8928

Refactor the pipelines for merge requests docs

See merge request gitlab-org/gitlab-ce!23905

SSH docs: clarify that you need to accept the authenticity of the server

Closes #54880

See merge request gitlab-org/gitlab-ce!23584

Docs/make job api docs consistent

See merge request gitlab-org/gitlab-ce!23581

Make job API docs consistent

See merge request gitlab-org/gitlab-ee!8880

Prevent admins from attempting hashed storage migration on read only DB

See merge request gitlab-org/gitlab-ce!23597

CE: Document the "Abuse reports" feature

Closes #45552

See merge request gitlab-org/gitlab-ce!22932

EE: Document the "Abuse reports" feature

See merge request gitlab-org/gitlab-ee!8763

Update Pseudonymizer to remove notes

See merge request gitlab-org/gitlab-ee!8923

Update yaml/README.md to clarify allow_failure interaction with stages

See merge request gitlab-org/gitlab-ce!23367

Add FakeApplicationSettings#commit_email_hostname

Closes #54953

See merge request gitlab-org/gitlab-ce!23939

Refactor BroadcastMessage to use Gitlab::JsonCache

See merge request gitlab-org/gitlab-ce!23934

Refactor BroadcastMessage to use Gitlab::JsonCache

See merge request gitlab-org/gitlab-ee!8808

Make Projects::DeployKeysController EE-ready

See merge request gitlab-org/gitlab-ce!23911

Reduce diff with CE in DeployKeys::CreateService

See merge request gitlab-org/gitlab-ee!8892

This commit fixes a number of minor style issues in the job details
sidebar - spacing, font weights, button sizes, and font sizes.

More details here:
https://gitlab.com/gitlab-org/gitlab-ce/issues/54814

Kudos to @eread for feedback!