Stubbed feature flag in the ruby specs

To increase loading performance of diffs, we will now load
a small amount at first and then as time goes on load more per
request.

If the user has file-by-file enabled, we will load
1 diff first and then gradually load more as time goes on.

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/224161

Replace fa-chevron-down with GitLab SVG in dropdowns

See merge request gitlab-org/gitlab!48171

Replace fa-spinner in metrics dashboard yaml definition

See merge request gitlab-org/gitlab!48227

Resolve "Upload metrics images to the metrics tab on incidents"

See merge request gitlab-org/gitlab!46845

Workhorse version bump to v8.55.0 to support direct_upload on the new API endpoint

Enable FF ci_auto_cancel_all_pipelines by default

See merge request gitlab-org/gitlab!47906

Merge 2 different elastic rake spec files into one

See merge request gitlab-org/gitlab!48114

Allow failure for Secret Detection job

See merge request gitlab-org/gitlab!48152

Update Screenshots on Security & Compliance Carousel

See merge request gitlab-org/gitlab!47900

yaml loading view

in dropdowns

Add loading state to initial load of assignees in dropdown

See merge request gitlab-org/gitlab!47848

Remove zip_pages_deployment feature flag

See merge request gitlab-org/gitlab!47633

Add `user_preferences` table into the list of `HighTrafficTables`

See merge request gitlab-org/gitlab!48223

Async import component that uses eCharts

See merge request gitlab-org/gitlab!48157

Simplify BulkImport concerns

See merge request gitlab-org/gitlab!47923

Work around test failure due to stub_storage_settings issue

See merge request gitlab-org/gitlab!48219

Resolve "Mentioning users is now very slow"

See merge request gitlab-org/gitlab!48217

For some reason, `stub_storage_settings` causes issues with using `dig`.

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/285449

Remove projects created directly under the sandbox group after tests

See merge request gitlab-org/gitlab!48005

Move Terraform state versioning default to database

See merge request gitlab-org/gitlab!48194

Return nil for availability for now due to
https://gitlab.com/gitlab-org/gitlab/-/issues/28544

Introduce Auto Rollback facility

See merge request gitlab-org/gitlab!47159

tooling: Add test for TestLevel#level_for with no prefix for an EE-file

See merge request gitlab-org/gitlab!48130

Removes Security Release Tracking issue template

See merge request gitlab-org/gitlab!48188

Fix cop FactoryBot/InlineAssociation for sent notification

See merge request gitlab-org/gitlab!48153

Add missing metadata to documentation files

See merge request gitlab-org/gitlab!48213

Improve the usage of "this" in the CI ref

See merge request gitlab-org/gitlab!48111

Make sure to use this -> noun, or rephrase. Cleans
up other minor issues surrouding the fixed language
as well

Docs: Add and populate troubleshooting section for triggering pipelines

See merge request gitlab-org/gitlab!48177

Fix intermittent elastic-related specs failures

See merge request gitlab-org/gitlab!48112

And yet more future tense in development docs

See merge request gitlab-org/gitlab!48206