[Feature request] Integrate with OS focus session

[dpaulino]

https://docs.microsoft.com/en-us/uwp/api/windows.ui.shell.focussession?view=winrt-22621

https://docs.microsoft.com/en-us/uwp/api/windows.ui.shell.focussessionmanager?view=winrt-22621

[dpaulino]

Looks like the API is restricted behind a LimitedAccessFeatures gate

https://docs.microsoft.com/en-us/uwp/api/windows.applicationmodel.limitedaccessfeatures?view=winrt-22621#remarks

I will have to pause this work until if I'm able to get an access token

[dpaulino]

I asked a question in MS dev forums here: https://docs.microsoft.com/en-us/answers/questions/965130/how-to-request-access-for-a-feature-that-is-a-34li.html