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/console/CommandLoader/ContainerCommandLoader.php

@@ -1,55 +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\Console\CommandLoader;
-
-use Psr\Container\ContainerInterface;
-use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Console\Exception\CommandNotFoundException;
-
-/**
- * Loads commands from a PSR-11 container.
- *
- * @author Robin Chalas <robin.chalas@gmail.com>
- */
-class ContainerCommandLoader implements CommandLoaderInterface
-{
-    private ContainerInterface $container;
-    private array $commandMap;
-
-    /**
-     * @param array $commandMap An array with command names as keys and service ids as values
-     */
-    public function __construct(ContainerInterface $container, array $commandMap)
-    {
-        $this->container = $container;
-        $this->commandMap = $commandMap;
-    }
-
-    public function get(string $name): Command
-    {
-        if (!$this->has($name)) {
-            throw new CommandNotFoundException(sprintf('Command "%s" does not exist.', $name));
-        }
-
-        return $this->container->get($this->commandMap[$name]);
-    }
-
-    public function has(string $name): bool
-    {
-        return isset($this->commandMap[$name]) && $this->container->has($this->commandMap[$name]);
-    }
-
-    public function getNames(): array
-    {
-        return array_keys($this->commandMap);
-    }
-}