Make populated_state query more robust

                stmt = self._build_nested_collection_attributes_stmt(

                    collection_attributes=("populated_state",),

                    inner_filter=InnerCollectionFilter(

                        "populated_state", operator.__ne__, DatasetCollection.populated_states.OK

                        "populated_state", operator.__eq__, DatasetCollection.populated_states.OK

                    ),

                )

                stmt = stmt.subquery()

                stmt = select(~exists(stmt))

                stmt = select(exists(stmt))

                session = required_object_session(self)

                _populated_optimized = session.scalar(stmt)