0fd205ce54
Commit 16d371873 lifted the requirement for source actors to be widgets, then got it wrong :rolling_eyes: The content box is expected to be in actor coordinates, so the allocation must be translated to (0, 0). https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/4593 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1969>