Full height SwiftUI inspector in Mac Catalyst app

I have a UIKit Mac Catalyst app, optimized for Mac idiom, with an NSToolbar manually added to the windowScene. Is it possible to implement a full-height inspector sidebar with this setup? It seems to always appear underneath the toolbar in my testing. Even if I remove my NSToolbar and let the system create a toolbar from a NavigationStack. It works on iOS - stretches all the way up the window splitting the app into two columns.

var body: some View {
    NavigationStack {
        AnimalTable(state: $state)
            .inspector(isPresented: $state.inspectorPresented) {
                AnimalInspectorForm(animal: $state.binding())
            }
            .toolbar {
                Button {
                    state.inspectorPresented.toggle()
                } label: {
                    Label("Toggle Inspector", systemImage: "info.circle")
                }
            }
    }
}