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/var-dumper/Cloner/DumperInterface.php

@@ -1,61 +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\VarDumper\Cloner;
-
-/**
- * DumperInterface used by Data objects.
- *
- * @author Nicolas Grekas <p@tchwork.com>
- */
-interface DumperInterface
-{
-    /**
-     * Dumps a scalar value.
-     *
-     * @return void
-     */
-    public function dumpScalar(Cursor $cursor, string $type, string|int|float|bool|null $value);
-
-    /**
-     * Dumps a string.
-     *
-     * @param string $str The string being dumped
-     * @param bool   $bin Whether $str is UTF-8 or binary encoded
-     * @param int    $cut The number of characters $str has been cut by
-     *
-     * @return void
-     */
-    public function dumpString(Cursor $cursor, string $str, bool $bin, int $cut);
-
-    /**
-     * Dumps while entering an hash.
-     *
-     * @param int             $type     A Cursor::HASH_* const for the type of hash
-     * @param string|int|null $class    The object class, resource type or array count
-     * @param bool            $hasChild When the dump of the hash has child item
-     *
-     * @return void
-     */
-    public function enterHash(Cursor $cursor, int $type, string|int|null $class, bool $hasChild);
-
-    /**
-     * Dumps while leaving an hash.
-     *
-     * @param int             $type     A Cursor::HASH_* const for the type of hash
-     * @param string|int|null $class    The object class, resource type or array count
-     * @param bool            $hasChild When the dump of the hash has child item
-     * @param int             $cut      The number of items the hash has been cut by
-     *
-     * @return void
-     */
-    public function leaveHash(Cursor $cursor, int $type, string|int|null $class, bool $hasChild, int $cut);
-}