Show drive icon when hovering settings toolbar

customize.dist/src/less2/include/toolbar.less

@@ -816,6 +816,9 @@
                         content: "\e91f";
                     }
                     .fa::before {
+                        content: "\f0a0";
+                    }
+                    .fa-hdd-o::before{
                         content: "\f015";
                     }
                 }