ENGCOM-3984: Fixed Minicart close button overlapping #20615

 - Merge Pull Request #20615 from mage2pratik/magento2:patch-4
 - Merged commits:
   1. e9c1157

Author: magento-engcom-team

app/design/frontend/Magento/luma/web/css/source/components/_modals_extend.less

@@ -58,7 +58,7 @@
 
     .modal-custom {
         .action-close {
-            .lib-css(margin, @indent__m);
+            .lib-css(margin, 15px);
         }
     }