HUE-8457 [report] The widget toolbar shouldn't hide the dropdown menu

desktop/libs/dashboard/src/dashboard/static/dashboard/less/search.less

@@ -27,6 +27,7 @@
   .search-bar, .card-toolbar {
     position: static !important;
     width: auto !important;
+    z-index: auto !important;
   }
   .card-toolbar-fixed {
     position: fixed !important;