code: EntityType getEntityTypeBypassingRegistry(String entityTypeId) {
      return entityTypeId != null
          ? dataService.findOneById(
              ENTITY_TYPE_META_DATA, entityTypeId, getEntityTypeFetch(), EntityType.class)
          : null;
    }
docs: Retrieves EntityType, bypassing the {@link
  org.molgenis.data.meta.system.SystemEntityTypeRegistry}
  
  <p>package-private for testability