slight fixes

src/webpage/localuser.ts

@@ -1276,7 +1276,7 @@ class Localuser{
 		}
 		{
 			const update=settings.addButton("Update settings")
-			const sw=update.addSelect("Service Worker setting",()=>{},["false","offlineOnly","true"],{
+			const sw=update.addSelect("Service Worker setting",()=>{},["False","Offline only","True"],{
 				defaultIndex:["false","offlineOnly","true"].indexOf(localStorage.getItem("SWMode") as string)
 			});
 			sw.onchange=(e)=>{

src/webpage/login.ts

@@ -538,6 +538,7 @@ if(!localStorage.getItem("SWMode")){
 class SW{
 	static worker:undefined|ServiceWorker;
 	static setMode(mode:"false"|"offlineOnly"|"true"){
+		localStorage.setItem("SWMode",mode);
 		if(this.worker){
 			this.worker.postMessage({data:mode,code:"setMode"});
 		}