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/Dumper/CsvFileDumper.php

@@ -1,56 +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\Dumper;
-
-use Symfony\Component\Translation\MessageCatalogue;
-
-/**
- * CsvFileDumper generates a csv formatted string representation of a message catalogue.
- *
- * @author Stealth35
- */
-class CsvFileDumper extends FileDumper
-{
-    private string $delimiter = ';';
-    private string $enclosure = '"';
-
-    public function formatCatalogue(MessageCatalogue $messages, string $domain, array $options = []): string
-    {
-        $handle = fopen('php://memory', 'r+');
-
-        foreach ($messages->all($domain) as $source => $target) {
-            fputcsv($handle, [$source, $target], $this->delimiter, $this->enclosure);
-        }
-
-        rewind($handle);
-        $output = stream_get_contents($handle);
-        fclose($handle);
-
-        return $output;
-    }
-
-    /**
-     * Sets the delimiter and escape character for CSV.
-     *
-     * @return void
-     */
-    public function setCsvControl(string $delimiter = ';', string $enclosure = '"')
-    {
-        $this->delimiter = $delimiter;
-        $this->enclosure = $enclosure;
-    }
-
-    protected function getExtension(): string
-    {
-        return 'csv';
-    }
-}