message: Fixed setIsMobile function
diff: @@ -1727,7 +1727,7 @@ export class SurveyModel
  }
  private _isMobile = false;
  public setIsMobile(newVal = true) {
  - this._isMobile = true;
  + this._isMobile = newVal;
  }
  private get isMobile() {
  return isMobile() || (this.isDesignMode && this._isMobile);
  