Import latest app updates from streamline

An updated set of source files and initialization was provided by streamline to
address issues observed during initial testing. These files have been updated in
order to generate a new set of app images.

docker/streamline-src/vendor/symfony/http-kernel/Log/DebugLoggerConfigurator.php

@@ -1,55 +0,0 @@
-<?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;
-    }
-}