Environment: Firefox/Mac on my local instance running master. Unable to repro this on 5.14 RC4
1) Create a team
2) Go to Team Settings > General > "Allow any user with an account on the server to join this team" and set it to "Yes"
3) Log in as another account and go to the Select Team page
Observed: No teams are listed as available to join, and there's a JS error in the console
Expected: The team should be listed on the Select Team page