ENGCOM-736: Use event object in 'ajax:addToCart' trigger when adding a product to the cart #13956

 - Merge Pull Request #13956 from koenner01/magento2:PR12875-ajax-refactor
 - Merged commits:
   1. ac3badd

Author: magento-engcom-team

app/code/Magento/Catalog/view/frontend/web/js/catalog-add-to-cart.js

@@ -97,7 +97,11 @@ define([
                 success: function (res) {
                     var eventData, parameters;
 
-                    $(document).trigger('ajax:addToCart', form.data().productSku, form, res);
+                    $(document).trigger('ajax:addToCart', {
+                        'sku': form.data().productSku,
+                        'form': form,
+                        'response': res
+                    });
 
                     if (self.isLoaderEnabled()) {
                         $('body').trigger(self.options.processStop);