widget: Use gtk_widget_queue_allocate() when clip changes
widget: Use gtk_widget_queue_allocate() when clip changes

There's no need to queue a full resize there.

grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita