Make the `Store` expose a `StateFlow` instead of a `Flow` about komposable-architecture HOT 2 OPEN

    fun <ViewState : Any, ViewAction : Any> optionalView(
        mapToLocalState: (State) -> ViewState?,
        mapToGlobalAction: (ViewAction) -> Action?
    ): Store<ViewState?, ViewAction>

    fun <ViewState : Any, ViewAction : Any> optionalView(
        initialState: ViewState,
        mapToLocalState: (State) -> ViewState?,
        mapToGlobalAction: (ViewAction) -> Action?
    ): Store<ViewState, ViewAction>

    override fun <ViewState : Any, ViewAction : Any> optionalView(
        mapToLocalState: (State) -> ViewState?,
        mapToGlobalAction: (ViewAction) -> Action?
    ): Store<ViewState, ViewAction> = MutableStateFlowStore(
       state = state.mapNotNull { mapToLocalState(it) }
         .stateIn(storeScope, SharingStarted.WhileSubscribed(), mapToLocalState(state.value)!!),
        sendFn = { actions ->
            val globalActions = actions.mapNotNull(mapToGlobalAction)
            sendFn(globalActions)
        }
    )