message: fixed ko multipletext
diff: @@ -117,6 +117,10 @@ export class QuestionMultipleTextModel extends Question implements IMultipleText
  public getType(): string {
  return "multipletext";
  }
  + endLoadingFromJson() {
  + super.endLoadingFromJson();
  + this.fireCallback(this.colCountChangedCallback);
  + }
  /**
  * The list of input items.
  */
  