change back the check for adding a service worker because tests would get constant errors

src/registerServiceWorker.ts

@@ -2,8 +2,8 @@
 
 import { register } from "register-service-worker";
 
-// This used to be only done when: import.meta.env.NODE_ENV === "production"
+if (import.meta.env.NODE_ENV === "production") {
-register("/sw_scripts-combined.js", {
+  register("/sw_scripts-combined.js", {
     ready() {
       console.log(
         "App is being served from cache by a service worker.\n" +
@@ -30,4 +30,5 @@ register("/sw_scripts-combined.js", {
     error(error) {
       console.error("Error during service worker registration:", error);
     },
-});
+  });
+}