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/Output/NullOutput.php

@@ -1,104 +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\Output;
-
-use Symfony\Component\Console\Formatter\NullOutputFormatter;
-use Symfony\Component\Console\Formatter\OutputFormatterInterface;
-
-/**
- * NullOutput suppresses all output.
- *
- *     $output = new NullOutput();
- *
- * @author Fabien Potencier <fabien@symfony.com>
- * @author Tobias Schultze <http://tobion.de>
- */
-class NullOutput implements OutputInterface
-{
-    private NullOutputFormatter $formatter;
-
-    /**
-     * @return void
-     */
-    public function setFormatter(OutputFormatterInterface $formatter)
-    {
-        // do nothing
-    }
-
-    public function getFormatter(): OutputFormatterInterface
-    {
-        // to comply with the interface we must return a OutputFormatterInterface
-        return $this->formatter ??= new NullOutputFormatter();
-    }
-
-    /**
-     * @return void
-     */
-    public function setDecorated(bool $decorated)
-    {
-        // do nothing
-    }
-
-    public function isDecorated(): bool
-    {
-        return false;
-    }
-
-    /**
-     * @return void
-     */
-    public function setVerbosity(int $level)
-    {
-        // do nothing
-    }
-
-    public function getVerbosity(): int
-    {
-        return self::VERBOSITY_QUIET;
-    }
-
-    public function isQuiet(): bool
-    {
-        return true;
-    }
-
-    public function isVerbose(): bool
-    {
-        return false;
-    }
-
-    public function isVeryVerbose(): bool
-    {
-        return false;
-    }
-
-    public function isDebug(): bool
-    {
-        return false;
-    }
-
-    /**
-     * @return void
-     */
-    public function writeln(string|iterable $messages, int $options = self::OUTPUT_NORMAL)
-    {
-        // do nothing
-    }
-
-    /**
-     * @return void
-     */
-    public function write(string|iterable $messages, bool $newline = false, int $options = self::OUTPUT_NORMAL)
-    {
-        // do nothing
-    }
-}