ENGCOM-1956: [Forwardport] fix for dropdown toggle icon in cart #16042

 - Merge Pull Request #16042 from chirag-wagento/magento2:2.3-develop-PR-port-15991
 - Merged commits:
   1. f4b014d

Author: magento-engcom-team

app/design/frontend/Magento/blank/web/css/source/_extends.less

@@ -1402,7 +1402,7 @@
         &.active {
             > .title {
                 .lib-icon-font-symbol(
-                @_icon-font-content: @icon-prev,
+                @_icon-font-content: @icon-up,
                 @_icon-font-position: after
                 );
             }