Fix typo in application settings page

See merge request gitlab-org/gitlab-ce!18181

Resolve "ActiveRecord::RecordNotUnique: PG::UniqueViolation: ERROR:  duplicate key value violates unique constraint "index_ci_builds_meta..."

Closes #44922

See merge request gitlab-org/gitlab-ce!18155

Fix links to subdirectories of a directory with a plus character in its path

Closes #44967

See merge request gitlab-org/gitlab-ce!18172

Bulk deleting refs is handled by Gitaly by default

See merge request gitlab-org/gitlab-ce!18180

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Redesign application settings to match project settings (part 6, final)

See merge request gitlab-org/gitlab-ce!18168

Has been stable for a while in production, so this endpoint grew out if
OPT_IN, the default state.

Part of https://gitlab.com/gitlab-org/gitaly/issues/526

Render MR commit SHA instead "diffs" when viable on GFM

See merge request gitlab-org/gitlab-ce!18141

Resolve "Transient failure in spec/features/projects/issues/user_sorts_issues_spec.rb"

Closes #44983

See merge request gitlab-org/gitlab-ce!18174

Allow assigning and filtering issuables by ancestor group labels

Closes #40915

See merge request gitlab-org/gitlab-ce!17873