[BigCommerce] Fix problem when it enter on quantity box it will decrease 1 unit

bigcommerce-fix-qty-hit-enter.diff

diff --git a/assets/js/theme/common/product-details.js b/assets/js/theme/common/product-details.js
index 7e97a13..e09f775 100644
--- a/assets/js/theme/common/product-details.js
+++ b/assets/js/theme/common/product-details.js
@@ -174,6 +174,20 @@ export default class Product {
             // update text
             viewModel.quantity.$text.text(qty);
         });
+
+
+        // --------------------------------------------------------------------
+        // Giao - emthemesModez:
+        // Fix problem when it enter on quantity box it will decrease 1 unit
+        // --------------------------------------------------------------------
+
+        this.$scope.on('keypress', this.getViewModel(this.$scope).quantity.$input, (event) => {
+            if (event.keyCode === 13) {
+                event.preventDefault();
+            }
+        });
+
+        // --------------------------------------------------------------------
     }
 
     /**