menu: close the menu if the focus is moved elsewhere
menu: close the menu if the focus is moved elsewhere

Close the menu when the focus moves out of the actor, unless the
notification was caused by moving the focus to one of the menu items.

pwithnall/mx,pwithnall/mx,pwithnall/mx,jonnylamb/mx,clutter-project/mx,jonnylamb/mx,jonnylamb/mx,jonnylamb/mx,clutter-project/mx,pwithnall/mx,clutter-project/mx,clutter-project/mx