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/fakerphp/faker/src/Faker/DefaultGenerator.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Faker;
+
+/**
+ * This generator returns a default value for all called properties
+ * and methods.
+ *
+ * @mixin Generator
+ *
+ * @deprecated Use ChanceGenerator instead
+ */
+class DefaultGenerator
+{
+    protected $default;
+
+    public function __construct($default = null)
+    {
+        trigger_deprecation('fakerphp/faker', '1.16', 'Class "%s" is deprecated, use "%s" instead.', __CLASS__, ChanceGenerator::class);
+
+        $this->default = $default;
+    }
+
+    public function ext()
+    {
+        return $this;
+    }
+
+    /**
+     * @param string $attribute
+     *
+     * @deprecated Use a method instead.
+     */
+    public function __get($attribute)
+    {
+        trigger_deprecation('fakerphp/faker', '1.14', 'Accessing property "%s" is deprecated, use "%s()" instead.', $attribute, $attribute);
+
+        return $this->default;
+    }
+
+    /**
+     * @param string $method
+     * @param array  $attributes
+     */
+    public function __call($method, $attributes)
+    {
+        return $this->default;
+    }
+}