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/translation/Loader/FileLoader.php

@@ -1,57 +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\Translation\Loader;
-
-use Symfony\Component\Config\Resource\FileResource;
-use Symfony\Component\Translation\Exception\InvalidResourceException;
-use Symfony\Component\Translation\Exception\NotFoundResourceException;
-use Symfony\Component\Translation\MessageCatalogue;
-
-/**
- * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
- */
-abstract class FileLoader extends ArrayLoader
-{
-    public function load(mixed $resource, string $locale, string $domain = 'messages'): MessageCatalogue
-    {
-        if (!stream_is_local($resource)) {
-            throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource));
-        }
-
-        if (!file_exists($resource)) {
-            throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
-        }
-
-        $messages = $this->loadResource($resource);
-
-        // empty resource
-        $messages ??= [];
-
-        // not an array
-        if (!\is_array($messages)) {
-            throw new InvalidResourceException(sprintf('Unable to load file "%s".', $resource));
-        }
-
-        $catalogue = parent::load($messages, $locale, $domain);
-
-        if (class_exists(FileResource::class)) {
-            $catalogue->addResource(new FileResource($resource));
-        }
-
-        return $catalogue;
-    }
-
-    /**
-     * @throws InvalidResourceException if stream content has an invalid format
-     */
-    abstract protected function loadResource(string $resource): array;
-}