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/ChanceGenerator.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Faker;
+
+use Faker\Extension\Extension;
+
+/**
+ * This generator returns a default value for all called properties
+ * and methods. It works with Faker\Generator::optional().
+ *
+ * @mixin Generator
+ */
+class ChanceGenerator
+{
+    private $generator;
+    private $weight;
+    protected $default;
+
+    /**
+     * @param Extension|Generator $generator
+     */
+    public function __construct($generator, float $weight, $default = null)
+    {
+        $this->default = $default;
+        $this->generator = $generator;
+        $this->weight = $weight;
+    }
+
+    public function ext(string $id)
+    {
+        return new self($this->generator->ext($id), $this->weight, $this->default);
+    }
+
+    /**
+     * Catch and proxy all generator calls but return only valid values
+     *
+     * @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 $this->__call($attribute, []);
+    }
+
+    /**
+     * @param string $name
+     * @param array  $arguments
+     */
+    public function __call($name, $arguments)
+    {
+        if (mt_rand(1, 100) <= (100 * $this->weight)) {
+            return call_user_func_array([$this->generator, $name], $arguments);
+        }
+
+        return $this->default;
+    }
+}