How to keep sidebar always open on macOS 12.0 in SwiftUI?

Consider this code:

import SwiftUI

struct ContentView: View {
    var body: some View {
        NavigationView {
            EmptyView()
        }
    }
}

Which looks like this:

How can I prevent the sidebar from being resized by a mouse and from being hidden?

P.S. Can consider using AppKit if it can help.

How to keep sidebar always open on macOS 12.0 in SwiftUI?
 
 
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