Issue Summary

Statuspages billed under our newer billing engine don't support updating the Business Contact for a subscription even though they are redirected from admin.atlassian.com/billing to the Statuspage management page. 

https://support.atlassian.com/subscriptions-and-billing/docs/understand-billing-administration/

Steps to Reproduce

1. Have a Statuspage under the new billing engine
2. Go to admin.atlassian.com/billing and click on "Manage" in the Statuspage subscription

Expected Results

For other products, it would be possible to access a "Manage business contacts" screen

Actual Results

User gets redirected to manage.statuspage.io, with no option to manage the contacts.

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available