fix: hide new nav for 2.1

client/themes/default/components/nav-sidebar.vue

 <template lang="pug">
   div
-    .blue.darken-3.pa-3.d-flex
-      v-btn(depressed, color='blue darken-2', style='min-width:0;', href='/')
-        v-icon(size='20') mdi-home
-      v-btn.ml-3(depressed, color='blue darken-2', style='flex: 1 1 100%;')
-        v-icon(left) mdi-file-tree
-        .body-2.text-none Browse
-    v-divider
+    //- .blue.darken-3.pa-3.d-flex
+    //-   v-btn(depressed, color='blue darken-2', style='min-width:0;', href='/')
+    //-     v-icon(size='20') mdi-home
+    //-   v-btn.ml-3(depressed, color='blue darken-2', style='flex: 1 1 100%;')
+    //-     v-icon(left) mdi-file-tree
+    //-     .body-2.text-none Browse
+    //- v-divider
     v-list.py-2(dense, :class='color', :dark='dark')
       template(v-for='item of items')
         v-list-item(