Add userPairingId state in App

src/App.tsx

@@ -23,11 +23,16 @@ function App() {
   const [showAuthModal, setShowAuthModal] = useState(false)
   const [showFolderModal, setShowFolderModal] = useState(false)
   const [processes, setProcesses] = useState<any>(null)
+  const [userPairingId, setUserPairingId] = useState<string | null>(null)
 
   useEffect(() => {
     setIsConnected(UserStore.getInstance().isConnected());
   });
 
+  useEffect(() => {
+    setUserPairingId(UserStore.getInstance().getUserPairingId());
+  });
+
   useEffect(() => {
     if (isConnected) {
       const messageBus = MessageBus.getInstance(iframeUrl);