Fix broken graphql playground (#13287)

Fixes https://github.com/twentyhq/twenty/issues/12991
Also fixes a regression on main where updateEvent are not correctly emit
when calling repository.update()

packages/twenty-server/src/engine/twenty-orm/entity-manager/workspace-entity-manager.spec.ts

@@ -285,7 +285,7 @@ describe('WorkspaceEntityManager', () => {
     it('should call createQueryBuilder with permissionOptions for update', async () => {
       await entityManager.update('test-entity', {}, {}, mockPermissionOptions);
       expect(entityManager['createQueryBuilder']).toHaveBeenCalledWith(
-        undefined,
+        'test-entity',
         undefined,
         undefined,
         mockPermissionOptions,