Location permission dialog disappears after 1 second

Code Block 
struct Login: View {
		@EnvironmentObject var sessionManager: SessionManager
		@ObservedObject var locationManager = LocationManager()
		var body: some View {
				NavigationView {
						VStack {
								Section {
										Button(action: {
												locationManager.requestPermission()
										}){
												Text("Verify location")
										}
								}

Code Block 
class LocationManager: NSObject, ObservableObject , CLLocationManagerDelegate {
		@Published var locationStatus: CLAuthorizationStatus? = CLAuthorizationStatus.notDetermined
		@Published var locationPermissionStatus = PermissionStatus.unknown
		@Published var location: CLLocation?
		let locationManager = CLLocationManager()
		
		override init(){
				super.init()
				self.locationManager.delegate = self
				self.locationManager.desiredAccuracy = kCLLocationAccuracyBest
		}
		
		func requestPermission(){
				print("Request permissions")
				self.locationManager.requestWhenInUseAuthorization()
		}
		
		func locationManager(_ manager: CLLocationManager,
												 didChangeAuthorization status: CLAuthorizationStatus) {	 switch status {
					case .restricted, .denied:
						locationPermissionStatus = PermissionStatus.denied
						 break
								
					case .authorizedWhenInUse:
						locationPermissionStatus = PermissionStatus.authorizedWhenInUse
						self.locationManager.startUpdatingLocation()
						 break
								
					case .authorizedAlways:
						locationPermissionStatus = PermissionStatus.authorizedAlways
						self.locationManager.startUpdatingLocation()
						 break
								
					case .notDetermined:
						locationPermissionStatus = PermissionStatus.unknown
						 break
			 }
		}
		
		func denyPermission(){
				self.locationPermissionStatus = PermissionStatus.denied
		}
		
		func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
				guard let location = locations.last else {
						return
				}
				self.location = location
		}
		
		enum PermissionStatus {
				case unknown
				case authorizedWhenInUse
				case authorizedAlways
				case restricted
				case denied
		}
		
		func getLocation() -> CLLocationCoordinate2D? {
				return self.location?.coordinate
		}
		
}