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/Command/LockableTrait.php

@@ -1,68 +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\Command;
-
-use Symfony\Component\Console\Exception\LogicException;
-use Symfony\Component\Lock\LockFactory;
-use Symfony\Component\Lock\LockInterface;
-use Symfony\Component\Lock\Store\FlockStore;
-use Symfony\Component\Lock\Store\SemaphoreStore;
-
-/**
- * Basic lock feature for commands.
- *
- * @author Geoffrey Brier <geoffrey.brier@gmail.com>
- */
-trait LockableTrait
-{
-    private ?LockInterface $lock = null;
-
-    /**
-     * Locks a command.
-     */
-    private function lock(?string $name = null, bool $blocking = false): bool
-    {
-        if (!class_exists(SemaphoreStore::class)) {
-            throw new LogicException('To enable the locking feature you must install the symfony/lock component. Try running "composer require symfony/lock".');
-        }
-
-        if (null !== $this->lock) {
-            throw new LogicException('A lock is already in place.');
-        }
-
-        if (SemaphoreStore::isSupported()) {
-            $store = new SemaphoreStore();
-        } else {
-            $store = new FlockStore();
-        }
-
-        $this->lock = (new LockFactory($store))->createLock($name ?: $this->getName());
-        if (!$this->lock->acquire($blocking)) {
-            $this->lock = null;
-
-            return false;
-        }
-
-        return true;
-    }
-
-    /**
-     * Releases the command lock if there is one.
-     */
-    private function release(): void
-    {
-        if ($this->lock) {
-            $this->lock->release();
-            $this->lock = null;
-        }
-    }
-}