CE: Put EE routes in EE files under EE directories

See merge request gitlab-org/gitlab-ce!22376

Automatically navigate to last board visited

See merge request gitlab-org/gitlab-ce!22430

Improvement to ci/yaml documentation

See merge request gitlab-org/gitlab-ce!22613

Resolve "Adding issues from group/project board is not allowed for project-level users"

See merge request gitlab-org/gitlab-ce!22557

Resolve "Filter by `None`/`Any` for assignee_id in issues/mrs API"

Closes #52384

See merge request gitlab-org/gitlab-ce!22598

Preload user status for label events

Closes #53164

See merge request gitlab-org/gitlab-ce!22609

Support backward compatibility when introduce new failure reason

See merge request gitlab-org/gitlab-ce!22566

Link button in markdown editor recognize URLs

Closes #52115

See merge request gitlab-org/gitlab-ce!22547

Fix stage dropdown rendering only in English

Closes #53133

See merge request gitlab-org/gitlab-ce!22604

Fix inaccessible dropdown for code-less projects

Closes #51306

See merge request gitlab-org/gitlab-ce!22137

Remove .katex-display from selector

See merge request gitlab-org/gitlab-ce!22580

And if it cannot find any routes, raise an error

Puma in GDK and rack server lifecycle event abstractions

Closes #52762

See merge request gitlab-org/gitlab-ce!22372

Re-enable debug logging of Git commands and output

See merge request gitlab-org/gitlab-ce!22608

Resolve "Prometheus dashboard broken on Firefox"

Closes #40372

See merge request gitlab-org/gitlab-ce!22400

Resolve "LDAP rename_provider rake task broken"

Closes #52993

See merge request gitlab-org/gitlab-ce!22582

Add reusable component for counting down

See merge request gitlab-org/gitlab-ce!22499

Always use `attribute` to define the product

Closes gitlab-qa#235 and #51826

See merge request gitlab-org/gitlab-ce!22327