App Subscription "Confirm with Apple Device" UI

My tvOS app includes the purchase of subscriptions, and I am updating the code with Storekit 2.0. I have seen other apps that present the "Confirm with Apple Device" UI upon selection of a product, but for me I only ever see an alert confirming the purchase.

I have tested this using Xcode storekit data and a sandbox account. I have also attempted using Storekit views and passing the UIWindowScene to the purchase(confirmIn: ) parameter, but neither made any difference. Is there some limitation that prevents that UI from showing in debug builds?

App Subscription "Confirm with Apple Device" UI
 
 
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