refactor: remove static routes and stop multiple token api call in sse

src/app/not-found.tsx

@@ -1,7 +1,6 @@
 import Link from 'next/link';
 
 import { Button } from '@/components/ui/button';
-import { ROUTES } from '@/utils/routes';
 
 export default function NotFound() {
   return (
@@ -13,7 +12,7 @@ export default function NotFound() {
           The page you are looking for does not exist or may have been moved.
         </p>
         <Button asChild className="mt-6">
-          <Link href={ROUTES.DASHBOARD}>Go to dashboard</Link>
+          <Link href="/">Go to workspace</Link>
         </Button>
       </div>
     </main>