message: Work for fix React warnings in Popup
diff: @@ -31,6 +31,9 @@ export class Popup extends SurveyElementBase<IPopupProps, any> {
  componentWillUnmount() {
  this.popup.destroyPopupContainer();
  }
  + shouldComponentUpdate() {
  + return this.props.model !== this.popup.model;
  + }
  render() {
  this.popup.model = this.model;
  const popupContainer = ReactDOM.createPortal(
  