Authentication on Old Edge not working

[Shjokie]

Expected behavior

When you login in Old Edge it should log you in fine.

Actual behavior

Login using Old Edge does not work at all. After the access token is acquired, the login does not progress from that point. The progress button keeps rotating forever.

Steps to reproduce the behavior

Go to http://developer.microsoft.com/en-us/graph/graph-explorer
Try logging in
See the issue.

HTTP traffic capture