SwiftUI popover: how to enable passthrough views

I’m migrating my UIPopoverPresentationController to SwiftUI’s .popover modifier.

In doing so, I hit a stumbling block. Previously, I had used passthroughViews to avoid the popover closing on certain taps.

How could I replicate this behavior with SwiftUI?

SwiftUI popover: how to enable passthrough views
 
 
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