docs: public static CmsInlineEntityWidget createWidgetForEntity(
          Element element,
          I_CmsInlineFormParent formParent,
          CmsEntity parentEntity,
          CmsAttributeHandler attributeHandler,
          int attributeIndex,
          I_CmsInlineHtmlUpdateHandler htmlUpdateHandler,
          I_CmsWidgetService widgetService) {
  
          CmsInlineEntityWidget widget = new CmsInlineEntityWidget(
              element,
              formParent,
              parentEntity,
              attributeHandler,
              attributeIndex,
              htmlUpdateHandler,
              widgetService);
          CmsInlineEditOverlay.getRootOverlay().addButton(widget, getButtonTop(element));
          attributeHandler.updateButtonVisibilty(widget);
          return widget;
      }