Florian Müllner 5d1b9a429e workspaceAnimation: Fix warning on restacking
Only workspace groups that are associated with a workspace have a
background. As a result, when restacking window previews we end up
passing `undefined` to clutter_actor_set_child_above_sibling()
instead of null, triggering a warning.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2209>
2022-02-23 12:29:36 +00:00
..