Extensible select and enumeration types

and their elements in schema BUILDING_ITEM_MIM taking into account BASED_ON types


 classification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          opening

 external_identification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          document_file

 identification_item - EXTENSIBLE SELECT
          document_file
          shape_representation

 organization_item - EXTENSIBLE SELECT
          building

 person_and_organization_item - EXTENSIBLE SELECT
          building

 versionable_item - EXTENSIBLE SELECT
          document_file
          shape_representation