🐛 fix locale in account deletion mail (#2600)

Author: MrKrisKrisu

app/Mail/AccountDeletionNotificationTwoWeeksBefore.php

@@ -8,7 +8,6 @@
 use Illuminate\Mail\Mailables\Content;
 use Illuminate\Mail\Mailables\Envelope;
 use Illuminate\Queue\SerializesModels;
-use Illuminate\Support\Facades\App;
 
 class AccountDeletionNotificationTwoWeeksBefore extends Mailable
 {
@@ -18,16 +17,19 @@ class AccountDeletionNotificationTwoWeeksBefore extends Mailable
 
     public function __construct(User $user) {
         $this->user = $user;
+        $this->locale(str_starts_with($user->language, 'de') ? 'de' : 'en'); //other languages currently don't have a translation here and (bug?) fall back to the default locale doesn't work?
     }
 
     public function envelope(): Envelope {
         return new Envelope(
-            subject: __(key: 'mail.account_deletion_notification_two_weeks_before.subject', locale: $this->user?->language),
+            subject: __(
+                         key:    'mail.account_deletion_notification_two_weeks_before.subject',
+                         locale: str_starts_with($this->user->language, 'de') ? 'de' : 'en'
+                     ),
         );
     }
 
     public function content(): Content {
-        App::setLocale($this->user?->language ?? config('app.locale', 'en'));
         return new Content(
             view: 'mail.account_deletion_notification_two_weeks_before',
             with: [