only unpopulate a shelf when applying new settings if the shelf won't be recreated
only unpopulate a shelf when applying new settings if the shelf won't be recreated

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