[fix]get copysset in clusetr

The judgment condition is wrong. If it is the old way, as long as
filterScanning is set, the filter will be started regardless of the
value, which is inconsistent with expectations.

Signed-off-by: Cyber-SiKu <Cyber-SiKu@outlook.com>

src/mds/topology/topology_service_manager.cpp

@@ -1680,7 +1680,7 @@ void TopologyServiceManager::GetCopySetsInCluster(
     const GetCopySetsInClusterRequest* request,
     GetCopySetsInClusterResponse* response) {
     auto filter = [&](const CopySetInfo& copysetInfo) {
-        if (request->has_filterscaning() && !copysetInfo.GetScaning()) {
+        if (request->filterscaning() && !copysetInfo.GetScaning()) {
             return false;
         }