Resolve "Follow-up from "Use scoped routes for labels and milestones""

Closes #63177

See merge request gitlab-org/gitlab-ce!29983

When removing the last file from a folder in WebIDE, do not remove the
folder from the view. We keep those to give users possibility to
re-upload files to the same folders.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/60860

Changes migration and all other places the attribute is used

Add column chart component to the monitoring bundle

See merge request gitlab-org/gitlab-ce!29293

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

This updates the groups list UI to match the style of the project list:

- New layout
- Improve loading state when loading group children
- Larger, responsive text
- Icon and text colors changed to secondary
- Smaller button sizes
- Content list description colors were standardized to body text

Update pagination prev and next texts

See merge request gitlab-org/gitlab-ce!29911

This merge request just adds the column chart
component without integrating it to the dashboard

Upgrade prettier to latest (v1.18.2)

See merge request gitlab-org/gitlab-ce!29943

Adds a modal to let the user confirm their action before
proceeding to registry/image deletion