I was looking for the same thing and I found this: https://twitter.com/SwiftyAlex/status/1546116647076896768 !

I also reported the issue more than a month ago ( FB10546626 ), but it’s still present in Xcode 14.0 beta 6, and it starts to be a problem: it’s not a minor thing - they released App Intents and App Shortcuts and App Shortcuts don’t work in the extension where it is supposed to work; if it won’t be fixed before the release of iOS 16, we need to migrate from App Intents Extension to in-app App Intents

Is there any workaround for this issue?

December 2021 and it looks like the bug is still there.