message: onAfterRenderSurvey multiple "root" elements on knockout fixed
diff: @@ -4116,10 +4116,10 @@ export class SurveyModel extends SurveyElementCore
  afterRenderSurvey(htmlElement: any) {
  this.destroyResizeObserver();
  - let observedElement:HTMLElement = htmlElement;
  if(Array.isArray(htmlElement)) {
  - observedElement = SurveyElement.GetFirstNonTextElement(htmlElement);
  + htmlElement = SurveyElement.GetFirstNonTextElement(htmlElement);
  }
  + let observedElement:HTMLElement = htmlElement;
  const cssVariables = this.css.variables;
  if(!!cssVariables) {
  const mobileWidth = Number.parseFloat(window.getComputedStyle(observedElement).getPropertyValue(cssVariables.mobileWidth));
  