IDEMPIERE-210 Costing: Revert [ 1693997 ] Calculation of cost should happen when transaction complete. Fixed a regression introduce in previous revision.

org.adempiere.base/src/org/compiere/acct/Doc_InOut.java

@@ -427,17 +427,19 @@ public class Doc_InOut extends Doc
 					{
 						costs = line.getProductCosts(as, line.getAD_Org_ID(), false);	//	current costs
 					}
-				} 
-				else
-				{
-					costs = BigDecimal.ZERO;
-				}
+					
 					if (costs == null || costs.signum() == 0)
 					{
 						p_Error = "Resubmit - No Costs for " + product.getName();
 						log.log(Level.WARNING, p_Error);
 						return null;
 					}
+				} 
+				else
+				{
+					costs = BigDecimal.ZERO;
+				}
+				
 				//  Inventory/Asset			DR
 				MAccount assets = line.getAccount(ProductCost.ACCTTYPE_P_Asset, as);
 				if (product.isService())