Little refactor

client/ticket/src/sale/index.js

@@ -308,9 +308,9 @@ class Controller {
     updateQuantity(id, quantity) {
         this.$http.post(`/ticket/api/Sales/${id}/updateQuantity`, {quantity: parseInt(quantity)}).then(() => {
             this.vnApp.showSuccess(this.$translate.instant('Data saved!'));
-            this.$scope.model.refresh();
         }).catch(e => {
             this.vnApp.showError(e.data.error.message);
+        }).finally(() => {
             this.$scope.model.refresh();
         });
     }