docs: @Bean(name = "personAttributeDao")
      @Qualifier("personAttributeDao")
      public IPersonAttributeDao getPersonAttributeDao() {
          final PortalRootPersonAttributeDao rslt = new PortalRootPersonAttributeDao();
          rslt.setDelegatePersonAttributeDao(getRequestAttributeMergingDao());
          rslt.setAttributeOverridesMap(getSessionAttributesOverridesMap());
          return rslt;
      }