N°8771 - Add Symfony form component to iTop core (#760)

- Add Symfony Form Component
- Add Symfony CSRF security component
- Add iTop default form template
- Add Twig debug extension to Twig Environment
- Add iTop abstract controller facility to get form builder
- Add Twig filter to make trans an alias of dict_s filter

lib/symfony/security-core/Authentication/RememberMe/TokenVerifierInterface.php

@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Security\Core\Authentication\RememberMe;
+
+/**
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+interface TokenVerifierInterface
+{
+    /**
+     * Verifies that the given $token is valid.
+     *
+     * This lets you override the token check logic to for example accept slightly outdated tokens.
+     *
+     * Do not forget to implement token comparisons using hash_equals for a secure implementation.
+     */
+    public function verifyToken(PersistentTokenInterface $token, #[\SensitiveParameter] string $tokenValue): bool;
+
+    /**
+     * Updates an existing token with a new token value and lastUsed time.
+     */
+    public function updateExistingToken(PersistentTokenInterface $token, #[\SensitiveParameter] string $tokenValue, \DateTimeInterface $lastUsed): void;
+}