OZG-6162 OZG-7255 Repair e2e vorgang-export tests

alfa-client/apps/alfa-e2e/src/fixtures/kommentar/kommentar.json

 {
   "createdAt": "2024-01-10T12:57:35Z[UTC]",
   "createdBy": "SetInCode",
-  "text": "Test text to test the test text test"
+  "text": "Test text to test the test text test",
+  "attachments": null
 }