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/http-kernel/CacheClearer/Psr6CacheClearer.php

@@ -1,69 +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\HttpKernel\CacheClearer;
-
-use Psr\Cache\CacheItemPoolInterface;
-
-/**
- * @author Nicolas Grekas <p@tchwork.com>
- */
-class Psr6CacheClearer implements CacheClearerInterface
-{
-    private array $pools = [];
-
-    /**
-     * @param array<string, CacheItemPoolInterface> $pools
-     */
-    public function __construct(array $pools = [])
-    {
-        $this->pools = $pools;
-    }
-
-    public function hasPool(string $name): bool
-    {
-        return isset($this->pools[$name]);
-    }
-
-    /**
-     * @throws \InvalidArgumentException If the cache pool with the given name does not exist
-     */
-    public function getPool(string $name): CacheItemPoolInterface
-    {
-        if (!$this->hasPool($name)) {
-            throw new \InvalidArgumentException(sprintf('Cache pool not found: "%s".', $name));
-        }
-
-        return $this->pools[$name];
-    }
-
-    /**
-     * @throws \InvalidArgumentException If the cache pool with the given name does not exist
-     */
-    public function clearPool(string $name): bool
-    {
-        if (!isset($this->pools[$name])) {
-            throw new \InvalidArgumentException(sprintf('Cache pool not found: "%s".', $name));
-        }
-
-        return $this->pools[$name]->clear();
-    }
-
-    /**
-     * @return void
-     */
-    public function clear(string $cacheDir)
-    {
-        foreach ($this->pools as $pool) {
-            $pool->clear();
-        }
-    }
-}