apply _GTK_FRAME_EXTENTS for xwayland clients
apply _GTK_FRAME_EXTENTS for xwayland clients

not entirely sure this is worthwhile but may as well

tizenorg/platform.upstream.enlightenment,rvandegrift/e,tizenorg/platform.upstream.enlightenment,tasn/enlightenment,rvandegrift/e,rvandegrift/e,tizenorg/platform.upstream.enlightenment,tasn/enlightenment,tasn/enlightenment