Replace 'project/star.feature' spinach test with an rspec analog

See merge request !13855

Fix broken Frontend JS guide

See merge request !13912

Adds position fixed to right sidebar

Closes #37144

See merge request !13494

Fixes the breadcrumb container when in issue boards

Closes #36561

See merge request !13655

Decrease Metrics/CyclomaticComplexity threshold to 15

See merge request !13905

Remove `is_` prefix from predicate method names

See merge request !13810

Fixes the diff changes buttons from toggling when scrolling

Closes #36698

See merge request !13894

Prevents rendering empty badge when pipeline request fails

Closes #35048

See merge request !13897

Make file encoding dropdown consistent

See merge request !13585

Make todos dashboard dropdowns consistent

See merge request !13595

Make download dropdown on merge request page consistent

See merge request !13532

Closes #36698

Merge branch 'fix/sm/37040-regression-pipeline-trigger-via-api-fails-with-500-internal-server-error-in-9-5-1' into 'master'

Fix pipeline trigger via API fails with 500 Internal Server Error in 9.5.1

Closes #37040

See merge request !13861

Disable GitLab Project Import Button if source disabled

Closes #36882

See merge request !13789

Make member search dropdown consistent

See merge request !13546

Update doc for dind using overlay2

See merge request !13885

Remove unnecessary divider

Closes #37069

See merge request !13841

Ensure Prometheus graph overlay is in front of cursor flag

Closes #37102

See merge request !13867

Resolve "Monitoring graph date formatting is wrong"

Closes #37104

See merge request !13865

Present enqueued merge jobs as "Merging" as well (https://gitlab.com/gitlab-org/gitlab-ce/issues/31207 follow-up)

Closes #36114

See merge request !13483