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/Exception/UserNotFoundException.php

@@ -0,0 +1,61 @@
+<?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\Exception;
+
+/**
+ * UserNotFoundException is thrown if a User cannot be found for the given identifier.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Alexander <iam.asm89@gmail.com>
+ */
+class UserNotFoundException extends AuthenticationException
+{
+    private ?string $identifier = null;
+
+    public function getMessageKey(): string
+    {
+        return 'Username could not be found.';
+    }
+
+    /**
+     * Get the user identifier (e.g. username or email address).
+     */
+    public function getUserIdentifier(): ?string
+    {
+        return $this->identifier;
+    }
+
+    /**
+     * Set the user identifier (e.g. username or email address).
+     */
+    public function setUserIdentifier(string $identifier): void
+    {
+        $this->identifier = $identifier;
+    }
+
+    public function getMessageData(): array
+    {
+        return ['{{ username }}' => $this->identifier, '{{ user_identifier }}' => $this->identifier];
+    }
+
+    public function __serialize(): array
+    {
+        return [$this->identifier, parent::__serialize()];
+    }
+
+    public function __unserialize(array $data): void
+    {
+        [$this->identifier, $parentData] = $data;
+        $parentData = \is_array($parentData) ? $parentData : unserialize($parentData);
+        parent::__unserialize($parentData);
+    }
+}