Fix for #1565: pass userAssignedIdentityResourceGroup to deployment

[SvenAelterman]

Overview/Summary

Add userAssignedIdentityResourceGroup as output for the Portal UI

This PR fixes/adds/changes/removes

1. Bug Report: userAssignedIdentityResourceGroup is not overriden #1565

Breaking Changes

N/A

Testing Evidence

N/A

Testing URLs

Azure Public

Azure US Gov (Fairfax)

As part of this Pull Request I have

• Checked for duplicate Pull Requests
• Associated it with relevant issues, for tracking and closure.
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Performed testing and provided evidence.
• Ensured contribution guidance is followed.
• Updated relevant and associated documentation.
• Updated the "What's New?" wiki page (located: /docs/wiki/whats-new.md)

[jtracey93]

Thanks @SvenAelterman, for the issue and PR to fix. Asking @arjenhuitema to take a look and review this ASAP

[arjenhuitema]

LGTM. Thanks @SvenAelterman, thanks for raising the issue and really appreciate the PR with fix.