Merge pull request 'OZG-6979 fix postfach mail error test with json update'...

Merge pull request 'OZG-6979 fix postfach mail error test with json update' (#790) from OZG-6979-Postfach-Fix into master

Reviewed-on: https://git.ozg-sh.de/ozgcloud-app/alfa/pulls/790


Reviewed-by: OZGCloud <ozgcloud@mgm-tp.com>

alfa-client/apps/alfa-e2e/src/fixtures/postfach/postfach-nachricht-reply-item.json

 {
-  "postfachId": "04d39269-81c5-4838-8b73-08d9567f06d7",
+  "postfachAddress": {
+    "serviceKontoType": "OSI",
+    "identifier": {
+      "postfachId": "04d39269-81c5-4838-8b73-08d9567f06d7"
+    },
+    "type": "0",
+    "version": "1"
+  },
   "createdAt": "2020-12-31T01:01:43.790Z[UTC]",
   "mailBody": "Lorem ipsum dolor sit amet.",
   "createdBy": "",