style: apply php-cs-fixer formatting (PSR-12)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/Controller/SecurityController.php

@@ -15,7 +15,7 @@ class SecurityController extends AbstractController
     #[Route('/login', name: 'app_login', methods: ['GET', 'POST'])]
     public function login(IriConverterInterface $iriConverter, #[CurrentUser] User $user = null): Response
     {
-        if(!$user) {
+        if (!$user) {
             return $this->json([
                 'error' => 'Invalid credentials'
             ], 401);