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/vscode.ts

@@ -19,7 +19,8 @@ export const router = Router()
 const vscode = new VscodeProvider()
 
 router.get("/", async (req, res) => {
-  if (!authenticated(req)) {
+  const isAuthenticated = await authenticated(req)
+  if (!isAuthenticated) {
     return redirect(req, res, "login", {
       // req.baseUrl can be blank if already at the root.
       to: req.baseUrl && req.baseUrl !== "/" ? req.baseUrl : undefined,