MAGETWO-70310: M2 2266 #10082

 - Merge Pull Request #10082 from tzyganu/magento2:M2-2266
 - Merged commits:
   1. f8e4007
   2. dc4cba3
   3. b5941b9

Author: miguelbalparda

app/design/adminhtml/Magento/backend/Magento_Ui/web/css/source/module/_data-grid.less

@@ -304,7 +304,7 @@ body._in-resize {
         .action-menu {
             left: auto;
             min-width: 10rem;
-            right: 0;
+            right: auto;
             text-align: left;
             top: auto;
             z-index: 1;