Fixed: Don't crash due to null Formats on Quality edit

frontend/src/Movie/MovieFormats.js

@@ -26,4 +26,8 @@ MovieFormats.propTypes = {
   formats: PropTypes.arrayOf(PropTypes.object).isRequired
 };
 
+MovieFormats.defaultProps = {
+  formats: []
+};
+
 export default MovieFormats;