'View' does not render when 'onAppear' changes the value in 'View Mode'l

Code Block 
import SwiftUI
class LocationDetailViewModel: ObservableObject {
   
  @Published var amenities: [Amenity]?
  @Published var isLoading: Bool? = true
  @Published var error: String?
   
  func fetchAmenities(dbLocation: DBLocation){
    Amenity.fetchAmenites(dbLocation: dbLocation) { [weak self] (locationAmenities, error) in
      self?.isLoading = false
      if error == nil{
        print("Success!!!!!!!")
        if let locationAmenities = locationAmenities, locationAmenities.count > 0 {
          self?.amenities = locationAmenities.map{ $0.amenity }
        }
      }else{
        print("Error!!!!!!!!!")
        self?.error = error?.localizedDescription
      }
    }
  }
}

Code Block 
import SwiftUI
import SDWebImageSwiftUI
import MapKit
struct LocationDetailView: View {
   
  let dbLocation: DBLocation
  @State private var isPresentingSaveToCollection: Bool?
  @State private var isPresentingToast: Bool?
  @State private var toastText: String?
  @ObservedObject var locationDetailViewModel = LocationDetailViewModel()
  let defaultImageUrl: String
   
  var body: some View {
    GeometryReader{ geometry in
      VStack{
        if locationDetailViewModel.isLoading ?? true {
          VStack(alignment: .center){
            InProgressView()
          }.frame(width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height, alignment: .center)
        }else{
          LocationView(dbLocation: dbLocation, defaultImageUrl: defaultImageUrl, isPresentingSaveToCollection: $isPresentingSaveToCollection)
            .environmentObject(locationDetailViewModel)
            .padding(.top, geometry.safeAreaInsets.top)
            .background(SwiftUI.Color( colorLiteral(red: 0.9644473195, green: 0.9684088826, blue: 0.9848803878, alpha: 1)))
            .edgesIgnoringSafeArea([.top, .horizontal])
        }
      }
       
    }
    .onAppear{
      locationDetailViewModel.fetchAmenities(dbLocation: dbLocation)
    }
    .navigationBarHidden(true)
    .fullscreenModal(isShowing: $isPresentingSaveToCollection) {
      SaveToCollectionView(isPresentingSaveToCollection: $isPresentingSaveToCollection, isPresentingToast: $isPresentingToast, toastText: $toastText)
    }.toast(isShowing: $isPresentingToast, message: toastText ?? "Undefinded Toast")
  }
}