Allow to circle back in 'PopupMenu' even if the first/last item is non-selectable
Allow to circle back in 'PopupMenu' even if the first/last item is non-selectable

(cherry picked from commit bb39088201c721d60d97bdd48a3062da7320b078)

ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot