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/Reader/TranslationReader.php

@@ -1,64 +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\Reader;
-
-use Symfony\Component\Finder\Finder;
-use Symfony\Component\Translation\Loader\LoaderInterface;
-use Symfony\Component\Translation\MessageCatalogue;
-
-/**
- * TranslationReader reads translation messages from translation files.
- *
- * @author Michel Salib <michelsalib@hotmail.com>
- */
-class TranslationReader implements TranslationReaderInterface
-{
-    /**
-     * Loaders used for import.
-     *
-     * @var array<string, LoaderInterface>
-     */
-    private array $loaders = [];
-
-    /**
-     * Adds a loader to the translation extractor.
-     *
-     * @param string $format The format of the loader
-     *
-     * @return void
-     */
-    public function addLoader(string $format, LoaderInterface $loader)
-    {
-        $this->loaders[$format] = $loader;
-    }
-
-    /**
-     * @return void
-     */
-    public function read(string $directory, MessageCatalogue $catalogue)
-    {
-        if (!is_dir($directory)) {
-            return;
-        }
-
-        foreach ($this->loaders as $format => $loader) {
-            // load any existing translation files
-            $finder = new Finder();
-            $extension = $catalogue->getLocale().'.'.$format;
-            $files = $finder->files()->name('*.'.$extension)->in($directory);
-            foreach ($files as $file) {
-                $domain = substr($file->getFilename(), 0, -1 * \strlen($extension) - 1);
-                $catalogue->addCatalogue($loader->load($file->getPathname(), $catalogue->getLocale(), $domain));
-            }
-        }
-    }
-}