message: Prevented navigating to deleted state
  These are only there for parsing of old links. They're not in the stack so shouldn't be able to navigate to them
diff: @@ -8,7 +8,9 @@ const Stack = ({ children, ...props }) => {
  const stateNavigator = stateNavigatorRef.current;
  const [states, setStates] = useState([]);
  useEffect(() => {
  - const validateNavigation = (_state, _data, _url, _history, { state }) => stateNavigator.states[state.key] === state;
  + const validateNavigation = ({ __deleted }, _data, _url, _history, { state }) => (
  + !__deleted && stateNavigator.states[state.key] === state
  + );
  const { newStates, newStatesLookup } = React.Children.toArray(children)
  .reduce(({ newStates, newStatesLookup }, { props: { name, ...rest }}) => {
  newStates.push({ key: name, ...rest })
  