PoolSize: add the private pool, not the system pool twice

privatePool was read from systemPoolSize. The storage item is an
Option<StatusRecord>, which is now the type it is read as.

packages/react-query/src/PoolSize.tsx

@@ -1,6 +1,7 @@
 // Copyright 2017-2026 @pezkuwi/react-query authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
+import type { Option } from '@pezkuwi/types';
 import type { PezpalletBrokerStatusRecord } from '@pezkuwi/types/lookup';
 
 import React from 'react';
@@ -14,18 +15,11 @@ interface Props {
 
 function PoolSize ({ children, className = '' }: Props): React.ReactElement<Props> {
   const { api } = useApi();
-  const status = useCall<PezpalletBrokerStatusRecord>(api.query.broker?.status);
-  let systemPool = 0;
-  let privatePool = 0;
-  let poolSize = '';
-
-  if (status === undefined) {
-    poolSize = '0';
-  } else {
-    systemPool = status.toJSON().systemPoolSize as number;
-    privatePool = status.toJSON().systemPoolSize as number;
-    poolSize = (systemPool + privatePool).toString();
-  }
+  const status = useCall<Option<PezpalletBrokerStatusRecord>>(api.query.broker?.status);
+  const record = status?.unwrapOr(null);
+  const poolSize = record
+    ? record.systemPoolSize.add(record.privatePoolSize).toString()
+    : '0';
 
   return (
     <div className={className}>