fix: typescript around isOnline

Author: vishalnarkhede

package/src/components/Chat/hooks/useAppSettings.ts

@@ -8,7 +8,7 @@ export const useAppSettings = <
   StreamChatGenerics extends DefaultStreamChatGenerics = DefaultStreamChatGenerics,
 >(
   client: StreamChat<StreamChatGenerics>,
-  isOnline: boolean,
+  isOnline: boolean | null,
 ): AppSettingsAPIResponse | null => {
   const [appSettings, setAppSettings] = useState<AppSettingsAPIResponse | null>(null);
   const isMounted = useRef(true);

package/src/contexts/chatContext/ChatContext.tsx

@@ -36,7 +36,7 @@ export type ChatContextValue<
   connectionRecovering: boolean;
   enableOfflineSupport: boolean;
   ImageComponent: React.ComponentType<ImageProps>;
-  isOnline: boolean;
+  isOnline: boolean | null;
   mutedUsers: Mute<StreamChatGenerics>[];
   /**
    * @param newChannel Channel to set as active.