导航回退后，通过 `rememberSaveable` 创建的数据也重置了 about precompose HOT 2 CLOSED

@OptIn(ExperimentalMaterialApi::class)
@Composable
fun NavHostSample() {
    val navigator = rememberNavigator()
    NavHost(
        navigator = navigator,
        initialRoute = "/A",
        swipeProperties = remember { SwipeProperties() },
    ) {
        scene(route = "/A") {
            var count by rememberSaveable { mutableStateOf(0) }
            Column(
                modifier = Modifier.fillMaxSize(),
                horizontalAlignment = Alignment.CenterHorizontally,
                verticalArrangement = Arrangement.Center,
            ) {
                Button(onClick = { count++ }) {
                    Text(text = "count: $count")
                }
                Button(onClick = { navigator.navigate(route = "/B") }) {
                    Text(text = "navigate")
                }
            }
        }
        scene(route = "/B") {
            Column(
                modifier = Modifier.fillMaxSize(),
                horizontalAlignment = Alignment.CenterHorizontally,
                verticalArrangement = Arrangement.Center,
            ) {
                Button(onClick = { navigator.goBack() }) {
                    Text(text = "goBack")
                }
            }
        }
    }
}