fix tests by updating the config fixture to the latest version

tests/frontend/e2e/fixtures/getconfig.json

@@ -8,6 +8,8 @@
     "upload_chunk_size": 1048576,
     "upload_simultaneous": 3,
     "default_archive_name": "archive.zip",
+    "editable": [".txt",".css",".js",".ts",".html",".php"],
+    "date_format": "YY/MM/DD hh:mm:ss",
     "guest_redirection": ""
   }
 }