Merge remote-tracking branch 'origin/MC-32330' into 2.4-develop-pr16

Author: serhii-balko

app/code/Magento/Checkout/view/frontend/web/js/action/update-shopping-cart.js

@@ -122,6 +122,9 @@ define([
         submitForm: function () {
             this.element
                 .off('submit', this.onSubmit)
+                .on('submit', function () {
+                    $(document.body).trigger('processStart');
+                })
                 .submit();
         }
     });