improve focus setting during wayland client show callback
improve focus setting during wayland client show callback

take_focus will only be handled if the new_client flag is set. in all
other casees, focus_set should be called directly

new_client flag implies changed flag

tasn/enlightenment,rvandegrift/e,tasn/enlightenment,rvandegrift/e,rvandegrift/e,tasn/enlightenment