css fix of remove icon and Fixed a bug where the discount coupon applied ‘disappeared’

 when changing the quantity between enrollment vs reg code cart types.

lms/djangoapps/shoppingcart/models.py

@@ -223,14 +223,21 @@ class Order(models.Model):
         if is_order_type_business:
             for cart_item in cart_items:
                 if hasattr(cart_item, 'paidcourseregistration'):
-                    CourseRegCodeItem.add_to_order(self, cart_item.paidcourseregistration.course_id, cart_item.qty)
+                    course_reg_code_item = CourseRegCodeItem.add_to_order(self, cart_item.paidcourseregistration.course_id, cart_item.qty)
+                    # update the discounted prices if coupon redemption applied
+                    course_reg_code_item.list_price = cart_item.list_price
+                    course_reg_code_item.unit_cost = cart_item.unit_cost
+                    course_reg_code_item.save()
                     items_to_delete.append(cart_item)
         else:
             for cart_item in cart_items:
                 if hasattr(cart_item, 'courseregcodeitem'):
-                    PaidCourseRegistration.add_to_order(self, cart_item.courseregcodeitem.course_id)
+                    paid_course_registration = PaidCourseRegistration.add_to_order(self, cart_item.courseregcodeitem.course_id)
+                    # update the discounted prices if coupon redemption applied
+                    paid_course_registration.list_price = cart_item.list_price
+                    paid_course_registration.unit_cost = cart_item.unit_cost
+                    paid_course_registration.save()
                     items_to_delete.append(cart_item)
-                    # CourseRegCodeItem.add_to_order
 
         for item in items_to_delete:
             item.delete()

lms/static/sass/views/_shoppingcart.scss

@@ -479,6 +479,9 @@
             pointer-events: none;
           }
         }
+        .no-width {
+          width: 0px !important;
+        }
         .col-3{
           width: 100px;
           float: right;

lms/templates/shoppingcart/shopping_cart.html

@@ -58,7 +58,7 @@ from django.utils.translation import ugettext as _
             </div>
               </div>
 
-            <div class="col-3">
+            <div class="col-3 no-width">
                <a href="#" class="btn-remove" data-item-id="${item.id}"><i class="icon-remove-sign"></i></a>
             </div>
         </div>