Clearing the active flag for new stockflow orders.

It's not entirely clear what this flag does when there aren't any conditions on the order, but new manual orders start as Ready instead of Active.

plugins/lua/stockflow.lua

@@ -1097,7 +1097,7 @@ function create_orders(order, amount)
     new_order.amount_total = amount
     -- Todo: Create in a validated state if the fortress is small enough?
     new_order.status.validated = false
-    new_order.status.active = true
+    new_order.status.active = false
     df.global.world.manager_orders:insert('#', new_order)
 end