Adrien Plazas authored Aug 05, 2020 and Alexander Mikhaylenko committed Aug 06, 2020

This widens the mobile screen width to 480px and don't check the height
for vertical mobile detection to be a bit more inclusive, and at the
same time this considers only maximized windows as mobile to avoid
replacing the close button by a back button to close a floating window
on the desktop.

Fixes https://gitlab.gnome.org/GNOME/libhandy/-/issues/315