fix: Start as Admin Error: Unable to open app when running elevated

[ghost]

Summary of the Pull Request

• Added a fix for start as admin.
• Settings configs for powerprev changed on the master branch, I applied related changes and added tests

References

PR Checklist

• Applies to Start as Admin Error: Unable to open app when running elevated #2287
• CLA signed. If not, go over here and sign the CLA
• [] Requires documentation to be updated
• I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Validation Steps Performed

• Added tests and run the application to verify.

[arjunbalgovind]

I tried this and found that on pressing Restart as admin, the runner doesn't crash and it works as expected. However if you close the settings window and try to open it again you still get the desktopsource xaml exception

[ghost]

I tried this and found that on pressing Restart as admin, the runner doesn't crash and it works as expected. However if you close the settings window and try to open it again you still get the desktopsource xaml exception

I fixed it here: 8c8ca53 can you verify if the fix works for on your side. Thanks

[crutkas]

@arjunbalgovind can you verify
@laviusmotileng-ms this now has a conflict

[arjunbalgovind]

LGTM! Verified that it works on my machine

[ryanbodrug-microsoft]

This works for me. In the future these should be two or 3 separate PRs though please :).