(Problems) Reset AuthToken after 30mins doesn't work

[jakubsuchybio]

Recap:
With help of @ST-Apps we found 2 problems:

1. After deployment if you don't login and it uses previous authtoken, then after 30mins when the HandleApiFailure triggers it doesn't have proper login settings saved and it tries to DoPtcLogin with null username and password
2. After deployment if you do login manually, there is bigger problem. After 30 minutes it hits HandleApiFailure, but when it tries to login with correct username and password, Google.Protobuf.dll gives ArgumentNullException.
   It is happening in Login.cs:41 at:

Client.AuthToken = await login.GetAccessToken().ConfigureAwait(false);

login has correct username and password and after F10 to step through it, it gives:

@ST-Apps tried me to create breakpoint at App.xaml.cs:59 if it gets hit, but it doesn't