Stand: SMTP-Test, Admin-Mail-Tab, Notifiable-Fix, Lazy-Quill

- Fix: Notifiable-Trait zum User-Model hinzugefuegt (behebt notify()-500er)
- Installer: SMTP-Verbindungstest mit EsmtpTransport + Ueberspringen-Link
- Admin: Neuer E-Mail-Tab mit SMTP-Konfiguration + Verbindungstest
- Admin: Lazy Quill-Initialisierung (nur sichtbare Locale wird geladen)
- Uebersetzungen: 17 neue Mail-Keys in allen 6 Sprachen

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

vendor/ramsey/uuid/src/Provider/Node/NodeProviderCollection.php

@@ -0,0 +1,58 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Node;
+
+use Ramsey\Collection\AbstractCollection;
+use Ramsey\Uuid\Provider\NodeProviderInterface;
+use Ramsey\Uuid\Type\Hexadecimal;
+
+/**
+ * A collection of NodeProviderInterface objects
+ *
+ * @deprecated this class has been deprecated and will be removed in 5.0.0. The use-case for this class comes from a
+ *     pre-`phpstan/phpstan` and pre-`vimeo/psalm` ecosystem, in which type safety had to be mostly enforced at runtime:
+ *     that is no longer necessary, now that you can safely verify your code to be correct and use more generic types
+ *     like `iterable<T>` instead.
+ *
+ * @extends AbstractCollection<NodeProviderInterface>
+ */
+class NodeProviderCollection extends AbstractCollection
+{
+    public function getType(): string
+    {
+        return NodeProviderInterface::class;
+    }
+
+    /**
+     * Re-constructs the object from its serialized form
+     *
+     * @param string $serialized The serialized PHP string to unserialize into a UuidInterface instance
+     */
+    public function unserialize($serialized): void
+    {
+        /** @var array<array-key, NodeProviderInterface> $data */
+        $data = unserialize($serialized, [
+            'allowed_classes' => [
+                Hexadecimal::class,
+                RandomNodeProvider::class,
+                StaticNodeProvider::class,
+                SystemNodeProvider::class,
+            ],
+        ]);
+
+        /** @phpstan-ignore-next-line */
+        $this->data = array_filter($data, fn ($unserialized): bool => $unserialized instanceof NodeProviderInterface);
+    }
+}