Describe the bug
In case of an HTTPS session, FiddlerApplication.BeforeRequest event returns Session object which have wrong values for Session.fullUrl and Session.PathAndQuery properties, e.g. values are missing the URL parameters and ends with '443'.

To Reproduce
Steps to reproduce the behavior:

1. Subscribe to FiddlerApplication.BeforeRequest
2. Browse an URL of the type 'https://xxx.yyyyyyy.com/zzz?aa=1&b=2'
3. The event is raised, and the passed Session.fullUrl has the value of 'http://www.yyyyyyy.com:443'.

Expected behavior
Session.fullUrl has the value of 'https://xxx.yyyyyyy.com/zzz?aa=1&b=2'.