
Maximized and tiled windows can be restored with a drag gesture, not only from their titlebars, but also from any non-reactive parts of the top bar above the window. Currently this only works for actual pointer devices, extend the behavior to handle touch as well. https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/112 (cherry picked from commit 905801b178fffa13cf1161b1ccfc8b1202f97efc)