docs: public void reinitializeButtons() {
  
          if (isGroupcontainerEditing()) {
              m_groupEditor.reinitializeButtons();
          } else {
              List<CmsContainerPageElementPanel> elemWidgets = getAllContainerPageElements(true);
  
              for (CmsContainerPageElementPanel elemWidget : elemWidgets) {
                  if (requiresOptionBar(elemWidget, elemWidget.getParentTarget())) {
                      getContainerpageUtil().addOptionBar(elemWidget);
                  } else {
                      // otherwise remove any present option bar
                      elemWidget.setElementOptionBar(null);
                  }
                  elemWidget.showEditableListButtons();
              }
          }
      }