N°6934 - Symfony 6.4 - upgrade Symfony bundles to 6.4 (#580)

* Update Symfony lib to version ~6.4.0
* Update code missing return type
* Add an iTop general configuration entry to store application secret (Symfony mandatory parameter)
* Use dependency injection in ExceptionListener & UserProvider classes

lib/symfony/http-kernel/Log/DebugLoggerConfigurator.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\HttpKernel\Log;
+
+use Monolog\Logger;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class DebugLoggerConfigurator
+{
+    private ?object $processor = null;
+
+    public function __construct(callable $processor, bool $enable = null)
+    {
+        if ($enable ?? !\in_array(\PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
+            $this->processor = \is_object($processor) ? $processor : $processor(...);
+        }
+    }
+
+    public function pushDebugLogger(Logger $logger): void
+    {
+        if ($this->processor) {
+            $logger->pushProcessor($this->processor);
+        }
+    }
+
+    public static function getDebugLogger(mixed $logger): ?DebugLoggerInterface
+    {
+        if ($logger instanceof DebugLoggerInterface) {
+            return $logger;
+        }
+
+        if (!$logger instanceof Logger) {
+            return null;
+        }
+
+        foreach ($logger->getProcessors() as $processor) {
+            if ($processor instanceof DebugLoggerInterface) {
+                return $processor;
+            }
+        }
+
+        return null;
+    }
+}