fix: theme loading optimizations

client/index-setup.js

@@ -1,8 +1,10 @@
 require('core-js/stable')
 require('regenerator-runtime/runtime')
 
+/* eslint-disable no-unused-expressions */
+
 require('./scss/app.scss')
-require('@mdi/font/css/materialdesignicons.css')
+import(/* webpackChunkName: "mdi" */ '@mdi/font/css/materialdesignicons.css')
 
 require('./helpers/compatibility.js')