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/nette/schema/src/Schema/ValidationException.php

@@ -1,55 +0,0 @@
-<?php
-
-/**
- * This file is part of the Nette Framework (https://nette.org)
- * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
- */
-
-declare(strict_types=1);
-
-namespace Nette\Schema;
-
-use Nette;
-
-
-/**
- * Validation error.
- */
-class ValidationException extends Nette\InvalidStateException
-{
-	/** @var Message[] */
-	private array $messages;
-
-
-	/**
-	 * @param  Message[]  $messages
-	 */
-	public function __construct(?string $message, array $messages = [])
-	{
-		parent::__construct($message ?: $messages[0]->toString());
-		$this->messages = $messages;
-	}
-
-
-	/**
-	 * @return string[]
-	 */
-	public function getMessages(): array
-	{
-		$res = [];
-		foreach ($this->messages as $message) {
-			$res[] = $message->toString();
-		}
-
-		return $res;
-	}
-
-
-	/**
-	 * @return Message[]
-	 */
-	public function getMessageObjects(): array
-	{
-		return $this->messages;
-	}
-}