Resolve "Tables > Make responsive (pipelines)"
Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/31415
- Creates responsive view for pipelines table
- Refactors status badge CSS
Edited by Annabel Gray
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/31415