ScreenScaffold
fun ScreenScaffold(title: String, modifier: Modifier = Modifier, showBack: Boolean = false, onBack: () -> Unit = {}, topBarVariant: ScreenScaffoldTopBarVariant = ScreenScaffoldTopBarVariant.Default, actions: @Composable RowScope.() -> Unit = {}, floatingActionButton: @Composable () -> Unit = {}, content: @Composable (PaddingValues) -> Unit)
Avoids double status-bar inset when nested inside NavHost Scaffold.