feat: rename confirmation document to invoice

src/Controller/Booking/DownloadController.php

@@ -31,10 +31,10 @@ class DownloadController extends AbstractController
         defaults: ['fileType' => 'documents']
     )]
     #[Route(
-        path: '/bookings/{id}/confirmation',
-        name: 'app_booking_confirmation',
+        path: '/bookings/{id}/invoice',
+        name: 'app_booking_invoice',
         requirements: ['id' => '\d+'],
-        defaults: ['fileType' => 'confirmation']
+        defaults: ['fileType' => 'invoice']
     )]
     #[IsGranted("ROLE_USER")]
     public function documents(int $id, string $fileType, Request $request): Response
@@ -47,7 +47,7 @@ class DownloadController extends AbstractController
 
         $type = match ($fileType) {
             'documents' => 'Dokumentdruck',
-            'confirmation' => 'Vorgangdruck',
+            'invoice' => 'Vorgangdruck',
         };
 
         $this->logger->info('Initiated document download', [