Attempt at SwiftUI Sheets That Only Take Up Required Height of Enclosed View

ContentView.swift

import SwiftUI

struct ContentView: View {
    @State private var isSheetPresented: Bool = false
    @State private var sheetHeight: CGFloat = 0
    
    var body: some View {
        VStack {
            Button("See sheet", action: {
                isSheetPresented.toggle()
            })
        }
        .padding()
        .popupSheet(isPresented: $isSheetPresented, onDismiss: {
                print("Sheet was dismissed")
            }) {
                ///
                ///  This does NOT work
                ///
//                SheetView1()
                
                ///
                ///  This does work!!!!
                ///
                VStack {
                    Spacer()
                    Spacer()
                    VStack {
                        Text("Hello, World!")
                        Text("Goodbye, World!")
                    }
                    HStack {
                        Image(systemName: "globe")
                            .imageScale(.large)
                            .foregroundStyle(.tint)
                        Image(systemName: "heart")
                            .imageScale(.large)
                            .foregroundStyle(.red)
                        Image(systemName: "baseball")
                            .imageScale(.large)
                            .foregroundStyle(.primary)
                        Image(systemName: "person.crop.circle")
                            .imageScale(.large)
                            .foregroundStyle(.green)
                    }
                    .padding()
                }
            }
    }
}

#Preview {
    ContentView()
}

Helper.swift

import SwiftUI


struct SizePreferenceKey: PreferenceKey {
    static var defaultValue: CGSize = .zero
    static func reduce(value: inout CGSize, nextValue: () -> CGSize) { value = nextValue() }
}


struct PopupSheetModifier<SheetContent: View>: ViewModifier {
    @Binding var isPresented: Bool
    @State private var sheetHeight: CGFloat = .zero
    let onDismiss: (() -> Void)?
    let content: () -> SheetContent

    func body(content: Content) -> some View {
            content
            .sheet(isPresented: $isPresented, onDismiss: onDismiss) {
            self.content()
                .background(
                    GeometryReader { geo in
                        Color.clear
                            .preference(key: SizePreferenceKey.self, value: geo.size)
                    }
                )
                .onPreferenceChange(SizePreferenceKey.self) { newSize in
                    sheetHeight = newSize.height
                    print("The sheetHeight is:\(sheetHeight)")
                }

                .presentationDetents([.height(sheetHeight)])
                .frame(minHeight: sheetHeight, maxHeight: sheetHeight)
                .presentationDragIndicator(.hidden)
            }
    }
}

extension View {
    func popupSheet<SheetContent: View>(
        isPresented: Binding<Bool>,
        onDismiss: (() -> Void)? = nil,
        @ViewBuilder content: @escaping () -> SheetContent
    ) -> some View {
        self.modifier(PopupSheetModifier(isPresented: isPresented, onDismiss: onDismiss, content: content))
    }
}

SheetView1.swift

import SwiftUI

struct SheetView1: View {
    var body: some View {
        VStack {
            Spacer()
            Spacer()
            VStack {
                Text("Hello, World!")
                Text("Goodbye, World!")
            }
            HStack {
                Image(systemName: "globe")
                    .imageScale(.large)
                    .foregroundStyle(.tint)
                Image(systemName: "heart")
                    .imageScale(.large)
                    .foregroundStyle(.red)
                Image(systemName: "baseball")
                    .imageScale(.large)
                    .foregroundStyle(.primary)
                Image(systemName: "person.crop.circle")
                    .imageScale(.large)
                    .foregroundStyle(.green)
            }
            .padding()
        }
    }
}

#Preview {
    SheetView1()
}