message: Fix the bug with accessing custom widgets on survey loading,
diff: @@ -710,6 +710,7 @@ export class Question extends SurveyElement
  public onSurveyLoad() {
  this.fireCallback(this.surveyLoadCallback);
  this.updateValueWithDefaults();
  + this.updateDisplayValue();
  }
  protected onSetData() {
  super.onSetData();
  @@ -759,6 +760,7 @@ export class Question extends SurveyElement
  return this.getPropertyValue("displayValue", "");
  }
  protected updateDisplayValue(): any {
  + if (this.isLoadingFromJson) return;
  this.setPropertyValue("displayValue", this.getDisplayValue(true));
  }
  public getDisplayValue(keysAsText: boolean): any {
  