[BUG] 400 Bad Request on "Connect CCO Dashboard to your Azure subscription" with USGov tenant

[anpiskai]

Pre-requirements

• Reviewed the Deployment guide
• Reviewed the Troubleshooting guide
• Reviewed the YouTube channel
• Reviewed the GitHub Issues list

What dashboard are you reporting an issue on?

Infrastructure

What happened?

When trying to connect to a USGov tenant, on the Connect CCO Dashboard to your Azure subscription page, it gives a 400 Bad Request error:

[DataSource.Error] Web.Contents failed to get contents from 'https://login.windows.net/common/oauth2/token' (400): Bad Request"

Steps to reproduce

1. Open Power BI template
2. Specify tenant name (xxx.onmicrosoft.com)
3. Specify "us-government" AzureKind
4. On https://management.usgovcloudapi.net/subscriptions screen.
5. Select sign in on Organizational account tab
6. Select https://manage.usgovcloudapi.net/ option for which level
7. Sign In
8. Click Connect
9. On https://graph.microsoft.us/tenant.onmicrosoft.com page
10. Select https://graph.microsoft.us/
11. Sign In
12. Click Connect
13. On CCO Dashboard to your Azure subscription page
14. Sign In
15. Get error

Additional context

No response