message: Remove un-needed check:
diff: @@ -695,7 +695,6 @@ export class QuestionPanelDynamicModel extends Question
  * @see panels
  */
  public addPanel(): PanelModel {
  - if (!this.canAddPanel) return null;
  this.panelCount++;
  if (!this.isRenderModeList) {
  this.currentIndex = this.panelCount - 1;
  