refactor(storage): use unstorage for session state

src/stores/sync/payment-success-sync.tsx

@@ -27,9 +27,19 @@ export function PaymentSuccessSync() {
     if (lastPaidKeyRef.current === paidKey) return;
     lastPaidKeyRef.current = paidKey;
 
-    userDispatch({ type: "UserFetch" });
-    if (hasPendingChatUnlock()) return;
-    chatDispatch({ type: "ChatPaymentSucceeded" });
+    let cancelled = false;
+
+    const syncPaymentSuccess = async () => {
+      userDispatch({ type: "UserFetch" });
+      if (await hasPendingChatUnlock()) return;
+      if (cancelled) return;
+      chatDispatch({ type: "ChatPaymentSucceeded" });
+    };
+
+    void syncPaymentSuccess();
+    return () => {
+      cancelled = true;
+    };
   }, [
     chatDispatch,
     paymentState.currentOrderId,