Issue Summary

When trying to log in using the "Continue with Microsoft" button after the user has had their email changed in Azure, the user is presented with an error "We're having trouble logging you in".

In the browser console we can see the error

unknown-handleUnlinkedExtIdpUsers

Steps to Reproduce

1. Go to id.atlassian.com
2. Click Continue with Microsoft

Expected Results

You are logged in with the new email address linked to your Atlassian account

Actual Results

You get an error "We're having trouble logging you in"

Workaround

Log in using email and password. - https://id.atlassian.com/login/resetpassword