MC-5443: IE11 - Cannot Use Slide Item Option Menu

Set .navigation-dot.active .pagebuilder-options z-index to auto

- IE11 does not support clicks on elements with negative z-index

Author: danmooney2

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/slider/_default.less

@@ -221,6 +221,10 @@
                         border: none;
                         transition: all .3s;
                     }
+
+                    .pagebuilder-options {
+                        z-index: auto;
+                    }
                 }
 
                 &.focus {