Hack the review branch prefix

Author: microbit-robert

src/simulator.ts

@@ -19,9 +19,11 @@ function initServiceWorker() {
   if ("serviceWorker" in navigator) {
     window.addEventListener("load", () => {
       navigator.serviceWorker
-        .register(`${process.env.E2E_BASE_URL ?? "/"}sw.js`, { scope: "/" })
+        // TODO: We'll need some bundler to get access to env vars here...
+        // Hardcoding the review branch for testing purposes for now.
+        .register("service-worker/sw.js", { scope: "/" })
         .then(
-          function (registration) {
+          function (_registration) {
             console.log("Simulator ServiceWorker registration successful");
           },
           function (err) {