如何在没有SceneDelegate的情况下在SwiftUI中设置EnvironmentObject？

import SwiftUI

class DataModel: ObservableObject {
    @Published var data: String = ""
}

import SwiftUI

struct ContentView: View {
    @EnvironmentObject var dataModel: DataModel
    
    var body: some View {
        Text(dataModel.data)
    }
}

import SwiftUI

@main
struct MyApp: App {
    let dataModel = DataModel()
    
    var body: some Scene {
        WindowGroup {
            ContentView()
                .environmentObject(dataModel)
        }
    }
}