Fix cases where departures board data was not invalidated

src/order_cmd.cpp

@@ -2441,6 +2441,7 @@ void DeleteVehicleOrders(Vehicle *v, bool keep_orderlist, bool reset_order_indic
 		v->orders.list = nullptr;
 	} else {
 		DeleteWindowById(GetWindowClassForVehicleType(v->type), VehicleListIdentifier(VL_SHARED_ORDERS, v->type, v->owner, v->index).Pack());
+		InvalidateWindowClassesData(WC_DEPARTURES_BOARD, 0);
 		if (v->orders.list != nullptr) {
 			/* Remove the orders */
 			v->orders.list->FreeChain(keep_orderlist);