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/css-selector/CssSelectorConverter.php

@@ -1,67 +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\CssSelector;
-
-use Symfony\Component\CssSelector\Parser\Shortcut\ClassParser;
-use Symfony\Component\CssSelector\Parser\Shortcut\ElementParser;
-use Symfony\Component\CssSelector\Parser\Shortcut\EmptyStringParser;
-use Symfony\Component\CssSelector\Parser\Shortcut\HashParser;
-use Symfony\Component\CssSelector\XPath\Extension\HtmlExtension;
-use Symfony\Component\CssSelector\XPath\Translator;
-
-/**
- * CssSelectorConverter is the main entry point of the component and can convert CSS
- * selectors to XPath expressions.
- *
- * @author Christophe Coevoet <stof@notk.org>
- */
-class CssSelectorConverter
-{
-    private Translator $translator;
-    private array $cache;
-
-    private static array $xmlCache = [];
-    private static array $htmlCache = [];
-
-    /**
-     * @param bool $html Whether HTML support should be enabled. Disable it for XML documents
-     */
-    public function __construct(bool $html = true)
-    {
-        $this->translator = new Translator();
-
-        if ($html) {
-            $this->translator->registerExtension(new HtmlExtension($this->translator));
-            $this->cache = &self::$htmlCache;
-        } else {
-            $this->cache = &self::$xmlCache;
-        }
-
-        $this->translator
-            ->registerParserShortcut(new EmptyStringParser())
-            ->registerParserShortcut(new ElementParser())
-            ->registerParserShortcut(new ClassParser())
-            ->registerParserShortcut(new HashParser())
-        ;
-    }
-
-    /**
-     * Translates a CSS expression to its XPath equivalent.
-     *
-     * Optionally, a prefix can be added to the resulting XPath
-     * expression with the $prefix parameter.
-     */
-    public function toXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string
-    {
-        return $this->cache[$prefix][$cssExpr] ??= $this->translator->cssToXPath($cssExpr, $prefix);
-    }
-}