0033240: [RR16Q2] JS Error when return lines are added to receipt

diff -r 98066f4569dd web/org.openbravo.retail.returns/js/modalReturnLines.js
--- a/web/org.openbravo.retail.returns/js/modalReturnLines.js	Tue Jun 07 18:48:15 2016 +0530
+++ b/web/org.openbravo.retail.returns/js/modalReturnLines.js	Mon Jun 13 14:07:12 2016 +0200
@@ -452,10 +452,15 @@
             });
           }
           var locationForBpartner = function (bpLoc) {
-              var launchShowLoadingFunc = function () {
-                  OB.UTIL.showLoading(false);
+              var finishOrderCreation = function () {
+                  me.args.args.context.model.get('order').calculateReceipt(function () {
+                    me.args.args.context.model.get('order').save(function () {
+                      me.args.args.context.model.get('orderList').saveCurrent();
+                      OB.UTIL.showLoading(false);
+                    });
+                  });
                   },
-                  showLoading = _.after(me.args.args.order.receiptLines.length, launchShowLoadingFunc),
+                  finishOrder = _.after(me.args.args.order.receiptLines.length, finishOrderCreation),
                   createOrderLines = function () {
                   _.each(me.args.args.order.receiptLines, function (line) {
                     var createLineFunction = function (prod) {
@@ -477,11 +482,8 @@
                         me.args.args.cancelOperation = true;
                         bp.set('locId', me.args.args.order.bpLocId);
                         bp.set('locName', me.nameLocation);
-                        me.args.args.context.model.get('order').calculateReceipt();
-                        me.args.args.context.model.get('order').save();
-                        me.args.args.context.model.get('orderList').saveCurrent();
                         OB.UTIL.HookManager.callbackExecutor(me.args.args, me.args.callbacks);
-                        showLoading();
+                        finishOrder();
                         };
 
                     _.each(line.promotions, function (promotion) {