extra space around list

Code Block 
import SwiftUI
struct ContentView: View {
  var body: some View {
     
    let f1 = Film(id: UUID(), title: "Harry Potter", type: "film")
    let f2 = Film(id: UUID(), title: "Who am I", type: "film")
    let f3 = Film(id: UUID(), title: "Scorpion", type: "series")
    let f4 = Film(id: UUID(), title: "Manifest", type: "series")
     
    let films = [f1, f2, f3, f4]
     
    NavigationView {
      List (films) { watch in
        Text(watch.title)
      }
      .navigationBarItems(trailing: EditButton())
    }
  }
}
struct ContentView_Previews: PreviewProvider {
  static var previews: some View {
    ContentView()
  }
}
struct Film: Identifiable {
   
  var id: UUID
  var title: String
  var type: String
}