message: improve performance for filter form selects
diff: @@ -202,6 +202,7 @@ export default class SelectControl extends React.PureComponent {
  refFunc: this.props.refFunc,
  filterOption: this.props.filterOption,
  promptTextCreator: this.props.promptTextCreator,
  + ignoreAccents: false,
  };
  if (this.props.freeForm) {
  selectProps.selectComponent = Creatable;
  