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/Parser/Token.php

@@ -1,111 +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\Parser;
-
-/**
- * CSS selector token.
- *
- * This component is a port of the Python cssselect library,
- * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
- *
- * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
- *
- * @internal
- */
-class Token
-{
-    public const TYPE_FILE_END = 'eof';
-    public const TYPE_DELIMITER = 'delimiter';
-    public const TYPE_WHITESPACE = 'whitespace';
-    public const TYPE_IDENTIFIER = 'identifier';
-    public const TYPE_HASH = 'hash';
-    public const TYPE_NUMBER = 'number';
-    public const TYPE_STRING = 'string';
-
-    private ?string $type;
-    private ?string $value;
-    private ?int $position;
-
-    public function __construct(?string $type, ?string $value, ?int $position)
-    {
-        $this->type = $type;
-        $this->value = $value;
-        $this->position = $position;
-    }
-
-    public function getType(): ?int
-    {
-        return $this->type;
-    }
-
-    public function getValue(): ?string
-    {
-        return $this->value;
-    }
-
-    public function getPosition(): ?int
-    {
-        return $this->position;
-    }
-
-    public function isFileEnd(): bool
-    {
-        return self::TYPE_FILE_END === $this->type;
-    }
-
-    public function isDelimiter(array $values = []): bool
-    {
-        if (self::TYPE_DELIMITER !== $this->type) {
-            return false;
-        }
-
-        if (!$values) {
-            return true;
-        }
-
-        return \in_array($this->value, $values);
-    }
-
-    public function isWhitespace(): bool
-    {
-        return self::TYPE_WHITESPACE === $this->type;
-    }
-
-    public function isIdentifier(): bool
-    {
-        return self::TYPE_IDENTIFIER === $this->type;
-    }
-
-    public function isHash(): bool
-    {
-        return self::TYPE_HASH === $this->type;
-    }
-
-    public function isNumber(): bool
-    {
-        return self::TYPE_NUMBER === $this->type;
-    }
-
-    public function isString(): bool
-    {
-        return self::TYPE_STRING === $this->type;
-    }
-
-    public function __toString(): string
-    {
-        if ($this->value) {
-            return sprintf('<%s "%s" at %s>', $this->type, $this->value, $this->position);
-        }
-
-        return sprintf('<%s at %s>', $this->type, $this->position);
-    }
-}