Follow-up from "Notify EE admins as they approach the user limit in their subscription"

The following discussion from !32404 (merged) should be addressed:

• @reprazent started a discussion: (+1 comment)

  Thanks @vitallium! I think this is a good first iteration! Let's get it in!

  One thing I did notice when testing this with ridiculous values was that the copy could be adjusted when the instance is already using more users then were licensed:

  

  But that could go into a follow up, IMO.