
During overview closing animation the allocation expands more or less every frame. Unfreezing the layout then leads to windows snapping to their new position if e.g. a window was closed which doesn't look nice. Fixes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3216 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1550>