fix(adminui-vue): `UTableEntity` attributes with Document data type download
UTableEntity
attributes with Document data type did not work correctly, if attribute was not the root, for
example, for attribute like linkedDocID.docImage
, it caused JS error, if user try to download it.
Now for such attributes, repository MUST include the ID field of the record with document,
for the previous example, it MUST include linkedDocID
attribute. This is done instead of additional
(and failed!) request to server for the ID value.