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/Node/Specificity.php

@@ -1,73 +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\Node;
-
-/**
- * Represents a node specificity.
- *
- * This component is a port of the Python cssselect library,
- * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
- *
- * @see http://www.w3.org/TR/selectors/#specificity
- *
- * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
- *
- * @internal
- */
-class Specificity
-{
-    public const A_FACTOR = 100;
-    public const B_FACTOR = 10;
-    public const C_FACTOR = 1;
-
-    private int $a;
-    private int $b;
-    private int $c;
-
-    public function __construct(int $a, int $b, int $c)
-    {
-        $this->a = $a;
-        $this->b = $b;
-        $this->c = $c;
-    }
-
-    public function plus(self $specificity): self
-    {
-        return new self($this->a + $specificity->a, $this->b + $specificity->b, $this->c + $specificity->c);
-    }
-
-    public function getValue(): int
-    {
-        return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR;
-    }
-
-    /**
-     * Returns -1 if the object specificity is lower than the argument,
-     * 0 if they are equal, and 1 if the argument is lower.
-     */
-    public function compareTo(self $specificity): int
-    {
-        if ($this->a !== $specificity->a) {
-            return $this->a > $specificity->a ? 1 : -1;
-        }
-
-        if ($this->b !== $specificity->b) {
-            return $this->b > $specificity->b ? 1 : -1;
-        }
-
-        if ($this->c !== $specificity->c) {
-            return $this->c > $specificity->c ? 1 : -1;
-        }
-
-        return 0;
-    }
-}