message: Close item popup when moving item
diff: @@ -21,6 +21,13 @@ export default class ItemPopupTrigger extends React.Component<Props> {
  private dialogResult: any;
  private ref = React.createRef<HTMLDivElement>();
  + componentWillUnmount() {
  + if (this.dialogResult) {
  + this.dialogResult.close();
  + this.dialogResult = null;
  + }
  + }
  +
  render() {
  const { children } = this.props;
  