(frontend) Better view pipeline schedule
Main MR/branch is here: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10853 Related to: https://gitlab.com/gitlab-org/gitlab-ce/issues/30882
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Main MR/branch is here: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10853 Related to: https://gitlab.com/gitlab-org/gitlab-ce/issues/30882