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/event-dispatcher/GenericEvent.php

@@ -1,158 +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\EventDispatcher;
-
-use Symfony\Contracts\EventDispatcher\Event;
-
-/**
- * Event encapsulation class.
- *
- * Encapsulates events thus decoupling the observer from the subject they encapsulate.
- *
- * @author Drak <drak@zikula.org>
- *
- * @implements \ArrayAccess<string, mixed>
- * @implements \IteratorAggregate<string, mixed>
- */
-class GenericEvent extends Event implements \ArrayAccess, \IteratorAggregate
-{
-    protected mixed $subject;
-    protected array $arguments;
-
-    /**
-     * Encapsulate an event with $subject and $arguments.
-     *
-     * @param mixed $subject   The subject of the event, usually an object or a callable
-     * @param array $arguments Arguments to store in the event
-     */
-    public function __construct(mixed $subject = null, array $arguments = [])
-    {
-        $this->subject = $subject;
-        $this->arguments = $arguments;
-    }
-
-    /**
-     * Getter for subject property.
-     */
-    public function getSubject(): mixed
-    {
-        return $this->subject;
-    }
-
-    /**
-     * Get argument by key.
-     *
-     * @throws \InvalidArgumentException if key is not found
-     */
-    public function getArgument(string $key): mixed
-    {
-        if ($this->hasArgument($key)) {
-            return $this->arguments[$key];
-        }
-
-        throw new \InvalidArgumentException(sprintf('Argument "%s" not found.', $key));
-    }
-
-    /**
-     * Add argument to event.
-     *
-     * @return $this
-     */
-    public function setArgument(string $key, mixed $value): static
-    {
-        $this->arguments[$key] = $value;
-
-        return $this;
-    }
-
-    /**
-     * Getter for all arguments.
-     */
-    public function getArguments(): array
-    {
-        return $this->arguments;
-    }
-
-    /**
-     * Set args property.
-     *
-     * @return $this
-     */
-    public function setArguments(array $args = []): static
-    {
-        $this->arguments = $args;
-
-        return $this;
-    }
-
-    /**
-     * Has argument.
-     */
-    public function hasArgument(string $key): bool
-    {
-        return \array_key_exists($key, $this->arguments);
-    }
-
-    /**
-     * ArrayAccess for argument getter.
-     *
-     * @param string $key Array key
-     *
-     * @throws \InvalidArgumentException if key does not exist in $this->args
-     */
-    public function offsetGet(mixed $key): mixed
-    {
-        return $this->getArgument($key);
-    }
-
-    /**
-     * ArrayAccess for argument setter.
-     *
-     * @param string $key Array key to set
-     */
-    public function offsetSet(mixed $key, mixed $value): void
-    {
-        $this->setArgument($key, $value);
-    }
-
-    /**
-     * ArrayAccess for unset argument.
-     *
-     * @param string $key Array key
-     */
-    public function offsetUnset(mixed $key): void
-    {
-        if ($this->hasArgument($key)) {
-            unset($this->arguments[$key]);
-        }
-    }
-
-    /**
-     * ArrayAccess has argument.
-     *
-     * @param string $key Array key
-     */
-    public function offsetExists(mixed $key): bool
-    {
-        return $this->hasArgument($key);
-    }
-
-    /**
-     * IteratorAggregate for iterating over the object like an array.
-     *
-     * @return \ArrayIterator<string, mixed>
-     */
-    public function getIterator(): \ArrayIterator
-    {
-        return new \ArrayIterator($this->arguments);
-    }
-}