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/IcuResFileLoader.php

@@ -1,86 +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\DirectoryResource;
-use Symfony\Component\Translation\Exception\InvalidResourceException;
-use Symfony\Component\Translation\Exception\NotFoundResourceException;
-use Symfony\Component\Translation\MessageCatalogue;
-
-/**
- * IcuResFileLoader loads translations from a resource bundle.
- *
- * @author stealth35
- */
-class IcuResFileLoader implements LoaderInterface
-{
-    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".', $resource));
-        }
-
-        if (!is_dir($resource)) {
-            throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
-        }
-
-        try {
-            $rb = new \ResourceBundle($locale, $resource);
-        } catch (\Exception) {
-            $rb = null;
-        }
-
-        if (!$rb) {
-            throw new InvalidResourceException(sprintf('Cannot load resource "%s".', $resource));
-        } elseif (intl_is_failure($rb->getErrorCode())) {
-            throw new InvalidResourceException($rb->getErrorMessage(), $rb->getErrorCode());
-        }
-
-        $messages = $this->flatten($rb);
-        $catalogue = new MessageCatalogue($locale);
-        $catalogue->add($messages, $domain);
-
-        if (class_exists(DirectoryResource::class)) {
-            $catalogue->addResource(new DirectoryResource($resource));
-        }
-
-        return $catalogue;
-    }
-
-    /**
-     * Flattens an ResourceBundle.
-     *
-     * The scheme used is:
-     *   key { key2 { key3 { "value" } } }
-     * Becomes:
-     *   'key.key2.key3' => 'value'
-     *
-     * This function takes an array by reference and will modify it
-     *
-     * @param \ResourceBundle $rb       The ResourceBundle that will be flattened
-     * @param array           $messages Used internally for recursive calls
-     * @param string|null     $path     Current path being parsed, used internally for recursive calls
-     */
-    protected function flatten(\ResourceBundle $rb, array &$messages = [], ?string $path = null): array
-    {
-        foreach ($rb as $key => $value) {
-            $nodePath = $path ? $path.'.'.$key : $key;
-            if ($value instanceof \ResourceBundle) {
-                $this->flatten($value, $messages, $nodePath);
-            } else {
-                $messages[$nodePath] = $value;
-            }
-        }
-
-        return $messages;
-    }
-}