Issue Summary

Manage notifications dropdown item (More actions...) in Confluence for Slack doesn't do anything after selecting it from an updated page message.

Steps to Reproduce

1. Install the Confluence Cloud app in your Slack workspace: Install the Confluence Cloud app onto your Slack workspace
2. Subscribe a Slack channel to Confluence content or spaces: Subscribe Slack channels to Confluence content and spaces
3. Update a page in Confluence to trigger a notification in the subscribed Slack channel.
4. In Slack, open the More actions (...) menu on the notification and select “Manage notifications.”

Expected Results

You can change the notification settings for that page/post.

Actual Results

A spinner appears for a few seconds, then stops, with no outcome and no error message.

Workaround

Open the content (Confluence Page/Blog) from the notification and the click on `...` on the top right. Then go to `Apps` > `Slack notifications`. Here you can see all the notifications configured and can update them as required