Changes to Map Custom Field

added the new number enum value to the data_type response property for the response status 201

added the new string enum value to the data_type response property for the response status 201

endpoint added

api path removed without deprecation

the request property attributeId became nullable

the request property linked_user_id became nullable

the request property source_custom_field_id became nullable

the request property source_provider became nullable

added the media type application/json for the response with the status 201

endpoint added