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,

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

@@ -275,6 +275,8 @@ export class WorkspaceEntityManager extends EntityManager {
     partialEntity: QueryDeepPartialEntity<Entity>,
     permissionOptions?: PermissionOptions,
   ): Promise<UpdateResult> {
+    const metadata = this.connection.getMetadata(target);
+
     if (
       criteria === undefined ||
       criteria === null ||
@@ -294,23 +296,23 @@ export class WorkspaceEntityManager extends EntityManager {
       Array.isArray(criteria)
     ) {
       return this.createQueryBuilder(
-        undefined,
-        undefined,
+        target,
+        metadata.name,
         undefined,
         permissionOptions,
       )
-        .update(target)
+        .update()
         .set(partialEntity)
         .whereInIds(criteria)
         .execute();
     } else {
       return this.createQueryBuilder(
-        undefined,
-        undefined,
+        target,
+        metadata.name,
         undefined,
         permissionOptions,
       )
-        .update(target)
+        .update()
         .set(partialEntity)
         .where(criteria)
         .execute();