4.2.0 → 4.3.0: TypeError: navigationStore.getStateForAction is not a function.

### Version
- react-native-router-flux v4.3.0
- react v16.13.1
- react-native v0.63.4

### Expected behaviour
No component exception, similar to 4.2.0.

### Actual behaviour
With upgrade to 4.2.0 → 4.3.0

`TypeError: navigationStore.getStateForAction is not a function. (In 'navigationStore.getStateForAction(action, state)', 'navigationStore.getStateForAction' is undefined)`

This similar ticket, didn't help me resolve this: https://github.com/aksonov/react-native-router-flux/issues/3294

My router:
```const reducerCreate = params => {
const defaultReducer = new Reducer(params);
return (state, action) => {
return defaultReducer(state, action);
};
};

class Routes extends React.Component {

render() {
return (

);
}
}

Routes.propTypes = {
dispatch: PropTypes.func,
};

export default connect()(Routes);