Revert changes

Author: engcom-Kilo

app/code/Magento/SalesRule/Model/Quote/Discount.php

@@ -300,6 +300,6 @@ private function aggregateDiscountPerRule(
                 }
             }
         }
-        $address->getExtensionAttributes()->setDiscounts(array_values($addressDiscountAggregator));
+            $address->getExtensionAttributes()->setDiscounts(array_values($addressDiscountAggregator));
     }
 }