Fix hashed storage with project transfers to another namespace

Closes gitlab-ee#4056

See merge request gitlab-org/gitlab-ce!15444

Delete empty fork networks

See merge request gitlab-org/gitlab-ce!15373

Optimise getting the pipeline status of commits

See merge request gitlab-org/gitlab-ce!15332

Fix go-import meta data when enabled_git_access_protocol is a blank string

Closes #40256

See merge request gitlab-org/gitlab-ce!15448

Resolve "Performance issues when loading large number of wiki pages"

Closes #34600

See merge request gitlab-org/gitlab-ce!15276

Exports a couple of project related code as es6 modules

See merge request gitlab-org/gitlab-ce!15356

Convert migration to populate latest merge request ID into a background migration

See merge request gitlab-org/gitlab-ce!15440

Add dropdowns documentation

See merge request gitlab-org/gitlab-ce!15396

This is to smear updates over a few hours to avoid causing excessive
replication lag as seen in https://gitlab.com/gitlab-com/infrastructure/issues/3235.

Update database_debugging.md

See merge request gitlab-org/gitlab-ce!15434

Replace ci_status_path with pipeline_path

See merge request gitlab-org/gitlab-ce!15369

De-duplicate background migration matchers defined in spec/support/migrations_helpers.rb

See merge request gitlab-org/gitlab-ce!15441

Update HA README.md to clarify GitLab support does not troubleshoot DRBD.

See merge request gitlab-org/gitlab-ce!15428

Set 0.69.0 instead of latest for codeclimate image

See merge request gitlab-org/gitlab-ce!15445

With hashed storage enabled, we would fail to transfer a project to another
namespace because the provided paths were wrong. Instead, we should not
attempt to move paths at all.

Closes gitlab-org/gitlab-ee#4056

Refactor  Cluster docs

Closes #39952

See merge request gitlab-org/gitlab-ce!15418

Resolve "lock/confidential issuable sidebar custom svg icons iteration"

Closes #37508

See merge request gitlab-org/gitlab-ce!15372

Isolate the fork network background migrations

See merge request gitlab-org/gitlab-ce!15393

Cache the number of user SSH keys

See merge request gitlab-org/gitlab-ce!15401

When a custom header logo is present, don't show GitLab type logo

See merge request gitlab-org/gitlab-ce!15410

Make sure NotesActions#noteable returns a Noteable in the update action

Closes #40208

See merge request gitlab-org/gitlab-ce!15421

This adds an optimised way of getting the latest pipeline status for a
list of Commit objects (or just a single one).