2914 graphql api documentation (#3065)

* Remove dead code

* Create playground component

* Remove useless call to action

* Fix graphiql theme

* Fix style

* Split components

* Move headers to headers form

* Fix nodes in open-api components

* Remove useless check

* Clean code

* Fix css differences

* Keep carret when fetching schema

packages/twenty-server/src/metadata/object-metadata/object-metadata.service.ts

@@ -339,6 +339,7 @@ export class ObjectMetadataService extends TypeOrmQueryService<ObjectMetadataEnt
         'fields',
         'fields.fromRelationMetadata',
         'fields.toRelationMetadata',
+        'fields.fromRelationMetadata.toObjectMetadata',
       ],
     });
   }