* Add a test on deep complex GraphQL Query
* Relation/Pointer new DX + deep nested mutations
* Fix lint
* Review
* Remove unnecessary code
* Fix objectId on update
* GraphQL: Improve session token error message
Fixes the session token related error messages during GraphQL operations. If any authentication error were thrown, it was not correctly handled by the GraphQL express middleware, and ended responding the request with a JSON parsing error.
* Refactor handleError usage
* Use handleParseErrors middleware to handle invalid session token error
* fix: Status code 400 when session token is invalid
* fix: Undo handleParseErrors middleware change