fix(service-worker): enhance unregister logic and update index.html

- Updated the index.html to load the env-config.js script as a module for better compatibility.
- Improved the unregister logic in both the unregister-sw.js and login-page.tsx to specifically target the ngsw-worker, ensuring it is unregistered correctly and the page reloads afterward. This prevents multiple unregister attempts and enhances user experience.

worklenz-frontend/index.html

@@ -13,7 +13,7 @@
     />
     <title>Worklenz</title>
     <!-- Environment configuration -->
-    <script src="/env-config.js"></script>
+    <script type="module" src="/env-config.js"></script>
     <!-- Unregister service worker -->
     <script src="/unregister-sw.js"></script>
   </head>

worklenz-frontend/public/unregister-sw.js

@@ -2,13 +2,18 @@ if ('serviceWorker' in navigator) {
   // Check if we've already attempted to unregister in this session
   if (!sessionStorage.getItem('swUnregisterAttempted')) {
     navigator.serviceWorker.getRegistrations().then(function(registrations) {
-      if (registrations.length > 0) {
+      const ngswWorker = registrations.find(reg => reg.active?.scriptURL.includes('ngsw-worker'));
+      
+      if (ngswWorker) {
         // Mark that we've attempted to unregister
         sessionStorage.setItem('swUnregisterAttempted', 'true');
-        // If there are registered service workers, do a hard reload first
-        window.location.reload(true);
+        // Unregister the ngsw-worker
+        ngswWorker.unregister().then(() => {
+          // Reload the page after unregistering
+          window.location.reload(true);
+        });
       } else {
-        // If no service workers are registered, unregister any that might be pending
+        // If no ngsw-worker is found, unregister any other service workers
         for(let registration of registrations) {
           registration.unregister();
         }

worklenz-frontend/src/pages/auth/login-page.tsx

@@ -77,6 +77,18 @@ const LoginPage: React.FC = () => {
   };
 
   useEffect(() => {
+    // Check and unregister ngsw-worker if present
+    if ('serviceWorker' in navigator) {
+      navigator.serviceWorker.getRegistrations().then(function(registrations) {
+        const ngswWorker = registrations.find(reg => reg.active?.scriptURL.includes('ngsw-worker'));
+        if (ngswWorker) {
+          ngswWorker.unregister().then(() => {
+            window.location.reload();
+          });
+        }
+      });
+    }
+
     trackMixpanelEvent(evt_login_page_visit);
     if (currentSession && !currentSession?.setup_completed) {
       navigate('/worklenz/setup');