Debug messages indicate msal parsing failed

[dmulder]

2023-07-10T17:03:20.526777Z DEBUG msal::authentication: Unable to extract key 'expires_in': TypeError: 'int' object cannot be converted to 'PyString'
2023-07-10T17:03:20.527350Z DEBUG msal::authentication: Unable to extract key 'ext_expires_in': TypeError: 'int' object cannot be converted to 'PyString'
2023-07-10T17:03:20.527799Z DEBUG msal::authentication: Unable to extract key 'iat': TypeError: 'int' object cannot be converted to 'PyString'
2023-07-10T17:03:20.528241Z DEBUG msal::authentication: Unable to extract key 'nbf': TypeError: 'int' object cannot be converted to 'PyString'
2023-07-10T17:03:20.528695Z DEBUG msal::authentication: Unable to extract key 'exp': TypeError: 'int' object cannot be converted to 'PyString'
2023-07-10T17:03:20.528821Z DEBUG msal::authentication: Unable to extract key 'wids': TypeError: 'list' object cannot be converted to 'PyString'

These are harmless (since we don't use these values), but the parsing should be improved so we don't see this.

[dmulder]

This was resolved by 8474393.