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/Controller/ErrorController.php

@@ -1,62 +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\Controller;
-
-use Symfony\Component\ErrorHandler\ErrorRenderer\ErrorRendererInterface;
-use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpKernel\Exception\HttpException;
-use Symfony\Component\HttpKernel\HttpKernelInterface;
-
-/**
- * Renders error or exception pages from a given FlattenException.
- *
- * @author Yonel Ceruto <yonelceruto@gmail.com>
- * @author Matthias Pigulla <mp@webfactory.de>
- */
-class ErrorController
-{
-    private HttpKernelInterface $kernel;
-    private string|object|array|null $controller;
-    private ErrorRendererInterface $errorRenderer;
-
-    public function __construct(HttpKernelInterface $kernel, string|object|array|null $controller, ErrorRendererInterface $errorRenderer)
-    {
-        $this->kernel = $kernel;
-        $this->controller = $controller;
-        $this->errorRenderer = $errorRenderer;
-    }
-
-    public function __invoke(\Throwable $exception): Response
-    {
-        $exception = $this->errorRenderer->render($exception);
-
-        return new Response($exception->getAsString(), $exception->getStatusCode(), $exception->getHeaders());
-    }
-
-    public function preview(Request $request, int $code): Response
-    {
-        /*
-         * This Request mimics the parameters set by
-         * \Symfony\Component\HttpKernel\EventListener\ErrorListener::duplicateRequest, with
-         * the additional "showException" flag.
-         */
-        $subRequest = $request->duplicate(null, null, [
-            '_controller' => $this->controller,
-            'exception' => new HttpException($code, 'This is a sample exception.'),
-            'logger' => null,
-            'showException' => false,
-        ]);
-
-        return $this->kernel->handle($subRequest, HttpKernelInterface::SUB_REQUEST);
-    }
-}