backport-Apply-coupoun-and-scroll-top-to-check.-applied-successfully-or-not

Author: krnshah

app/code/Magento/Sales/view/adminhtml/web/order/create/scripts.js

@@ -561,6 +561,9 @@ define([
         applyCoupon : function(code){
             this.loadArea(['items', 'shipping_method', 'totals', 'billing_method'], true, {'order[coupon][code]':code, reset_shipping: 0});
             this.orderItemChanged = false;
+            jQuery('html, body').animate({
+                scrollTop: 0
+            });
         },
 
         addProduct : function(id){