Work on multiple slot support

src/engine/net/client/handlers/ItemProductionMsgHandler.java

@@ -87,6 +87,7 @@ public class ItemProductionMsgHandler extends AbstractClientMsgHandler {
                 workOrder.suffixToken = msg.sToken;
                 workOrder.item_name_override = msg.name;
                 workOrder.slots_used = 0;
+                workOrder.msg_size = msg.size;
 
                 // Validate vendor can roll this item