def metadata(namespace: :default)
      entity = current_entity
      if entity
        entity.metadata(namespace: namespace)
      else
        FacadeMetadata
      end
    end
def metadata(namespace: :default)
      entity = current_entity
      if entity
        entity.metadata(namespace: namespace)
      else
        FacadeMetadata
      end
    end
A proxy method to get the metadata under provided namespace
 from the current active entity.