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/form/Exception/TransformationFailedException.php

@@ -0,0 +1,55 @@
+<?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\Form\Exception;
+
+/**
+ * Indicates a value transformation error.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class TransformationFailedException extends RuntimeException
+{
+    private ?string $invalidMessage;
+    private array $invalidMessageParameters;
+
+    public function __construct(string $message = '', int $code = 0, ?\Throwable $previous = null, ?string $invalidMessage = null, array $invalidMessageParameters = [])
+    {
+        parent::__construct($message, $code, $previous);
+
+        $this->setInvalidMessage($invalidMessage, $invalidMessageParameters);
+    }
+
+    /**
+     * Sets the message that will be shown to the user.
+     *
+     * @param string|null $invalidMessage           The message or message key
+     * @param array       $invalidMessageParameters Data to be passed into the translator
+     */
+    public function setInvalidMessage(?string $invalidMessage = null, array $invalidMessageParameters = []): void
+    {
+        if (1 > \func_num_args()) {
+            trigger_deprecation('symfony/form', '6.2', 'Calling "%s()" without any arguments is deprecated, pass null explicitly instead.', __METHOD__);
+        }
+        $this->invalidMessage = $invalidMessage;
+        $this->invalidMessageParameters = $invalidMessageParameters;
+    }
+
+    public function getInvalidMessage(): ?string
+    {
+        return $this->invalidMessage;
+    }
+
+    public function getInvalidMessageParameters(): array
+    {
+        return $this->invalidMessageParameters;
+    }
+}