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/finder/SplFileInfo.php

@@ -1,82 +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\Finder;
-
-/**
- * Extends \SplFileInfo to support relative paths.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
-class SplFileInfo extends \SplFileInfo
-{
-    private string $relativePath;
-    private string $relativePathname;
-
-    /**
-     * @param string $file             The file name
-     * @param string $relativePath     The relative path
-     * @param string $relativePathname The relative path name
-     */
-    public function __construct(string $file, string $relativePath, string $relativePathname)
-    {
-        parent::__construct($file);
-        $this->relativePath = $relativePath;
-        $this->relativePathname = $relativePathname;
-    }
-
-    /**
-     * Returns the relative path.
-     *
-     * This path does not contain the file name.
-     */
-    public function getRelativePath(): string
-    {
-        return $this->relativePath;
-    }
-
-    /**
-     * Returns the relative path name.
-     *
-     * This path contains the file name.
-     */
-    public function getRelativePathname(): string
-    {
-        return $this->relativePathname;
-    }
-
-    public function getFilenameWithoutExtension(): string
-    {
-        $filename = $this->getFilename();
-
-        return pathinfo($filename, \PATHINFO_FILENAME);
-    }
-
-    /**
-     * Returns the contents of the file.
-     *
-     * @throws \RuntimeException
-     */
-    public function getContents(): string
-    {
-        set_error_handler(function ($type, $msg) use (&$error) { $error = $msg; });
-        try {
-            $content = file_get_contents($this->getPathname());
-        } finally {
-            restore_error_handler();
-        }
-        if (false === $content) {
-            throw new \RuntimeException($error);
-        }
-
-        return $content;
-    }
-}