Remove a device warning displayed in the app after the user creates a subscription from the website

[madalincm]

Affected versions:

• iOS VPN App 1.0.8 installed from test flight

Affected Platforms:

• iphone SE, iOS 13.1.2

Preconditions:

• Existent FxA account that hasn't a vpn subscription set up

Steps to reproduce:

1. Open the vpn app on the ios device and log in with the fxa account that does not have a subscription set up
2. Open the vpn website and create a subscription for the account used at step 1

3. Go back to the vpn app on the iOS device settings - My devices menu

   Expected result:

   • The user can turn on the vpn app on the ios device and in the my device menu the connected device is displayed.

Actual result:

• The user is not able to turn on the vpn and in the my device menu the Remove a device warning is displayed

Notes

If the user signs out and relogs he is able to turn on the vpn.

[rlr]

fixed by #285

I'll get a new build out to test flight

[madalincm]

Verified as fixed on iphone SE, iOS 13.1.2, Vpn app version 1.0.8 (936)

The issue is no longer reproducing. After creating the account the vpn can now be started.