message: fix for the
  fixed collapse deprecation for the creator;
diff: @@ -1145,6 +1145,7 @@ export class SurveyElement extends Base implements ISurveyElement {
  * @see isExpanded
  */
  public get isCollapsed() {
  + if (this.isDesignMode) return;
  return this.state == "collapsed";
  }
  /**
  @@ -1154,7 +1155,6 @@ export class SurveyElement extends Base implements ISurveyElement {
  * @see isCollapsed
  */
  public get isExpanded() {
  - if (this.isDesignMode) return;
  return this.state == "expanded";
  }
  /**
  