548e18ad7e
On Wayland it is possible to trigger area selection with a button already being down. SelectArea would then react to the subsequent button release without ever having seen a corresponding button down first, leaving the start coordinates of the selection rectangle uninitialized. Related: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2761 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1825>