Cherry-pick PR for guest-user-file-upload-permission for release-10.11 (#35073)

Automatic Merge

server/i18n/en.json

@@ -7364,6 +7364,10 @@
     "id": "app.update_error",
     "translation": "update error"
   },
+  {
+    "id": "app.update_scheduled_post.convert_to_post.error",
+    "translation": "Unable to convert scheduled post to post format."
+  },
   {
     "id": "app.update_scheduled_post.existing_scheduled_post.not_exist",
     "translation": "Scheduled post does not exist."