Retrieve any stripe subscription, not just for the current plan (#6962)
Retrieve any stripe subscription, not just for the current plan (#6962)

* Retrieve any stripe subscription, not just for the current plan

* Add some comments and change assignment order for finding first subscription
mozilla/kuma,escattone/kuma,mozilla/kuma,escattone/kuma,escattone/kuma,mozilla/kuma,mozilla/kuma,mozilla/kuma