[Bug] Exception thrown on WAM while hitting the back button on the AAD plugin

[gladjohn]

Logs and network traces

{Status: Unexpected
Error: 0xcaa20004
Context: AADSTS90123: The token can't be issued because the identity or claim issuance provider denied the request. Response code: access_denied.
Trace ID: 70012e01-5118-4111-9463-8e30368b9601
Correlation ID: 8c47e613-9d60-4e27-a884-c419fa4c3a38
Timestamp: 2023-02-02 16:38:14Z
Tag: 0x21420087}

Which version of MSAL.NET are you using?
MSAL 4.50.0

Platform
Net Core

What authentication flow has the issue?

• Desktop / Mobile
  • Interactive
  • Integrated Windows Authentication
  • Username Password
  • Device code flow (browserless)
• Web app
  • Authorization code
  • On-Behalf-Of
• Daemon app
  • Service to Service calls

Other?

Is this a new or existing app?
new for msal 4.50.0

Repro

**Here are the settings to repro :** 

Authority : lmo/org

MSA-PT = True

Provide a Login Hint. 

Interop version : latest 

Once the AAD plugin pops up, hit the back button (left of the UPN)

Expected behavior
Back should take to the logon screen without exceptions

Actual behavior
AADSTS90123: The token can't be issued because the identity or claim issuance provider denied the request.

Additional context / logs / screenshots / links to code
Internal tracking bug

[bgavrilMS]

@gladjohn - I marked this as "extenal", please correct me if I am wrong.