message: Use isMobile as a function
diff: @@ -1730,7 +1730,7 @@ export class SurveyModel
  this._isMobile = true;
  }
  private get isMobile() {
  - return isMobile || (this.isDesignMode && this._isMobile);
  + return isMobile() || (this.isDesignMode && this._isMobile);
  }
  public get titleMaxWidth(): string {
  if (!this.isMobile && !this.isValueEmpty(this.logo)) {
  