Add some borders. Fix style override when switching pages

svelte/src/wrap/MainMenu.svelte

@@ -20,10 +20,10 @@ const toggle_menu = (e: MouseEvent) => {
 	menu_collapsed = !menu_collapsed
 }
 
-onMount(async () => {
+onMount(() => {
 	menu_collapsed = document.documentElement.clientWidth < 1000
 
-	await loading_run(async () => {
+	loading_run(async () => {
 		const user = await get_user()
 		if (user.username === undefined || user.username === "") {
 			return