refactor: make authenticated async everywhere

Since this checks if they are authenticated using the hash/password and it's
async, we need to update authenticated to be async, which means we have to
update it everywhere it's used.

src/node/routes/login.ts

@@ -49,9 +49,9 @@ const limiter = new RateLimiter()
 
 export const router = Router()
 
-router.use((req, res, next) => {
+router.use(async (req, res, next) => {
   const to = (typeof req.query.to === "string" && req.query.to) || "/"
-  if (authenticated(req)) {
+  if (await authenticated(req)) {
     return redirect(req, res, to, { to: undefined })
   }
   next()