refactor(ui): minor ui improvements

layouts/default.vue

@@ -155,7 +155,7 @@ export default defineComponent({
       workbox.addEventListener("installed", (event: any) => {
         if (event.isUpdate) {
           this.$toast.show(this.$t("app.new_version_found").toString(), {
-            icon: "info",
+            icon: "download_for_offline",
             duration: 0,
             action: [
               {