tenantinfo disconnected counting

Author: StekPerepolnen

ydb/core/viewer/json_tenantinfo.h

@@ -430,14 +430,15 @@ class TJsonTenantInfo : public TViewerPipeClient<TJsonTenantInfo> {
     void Disconnected(TEvInterconnect::TEvNodeDisconnected::TPtr &ev) {
         ui32 nodeId = ev->Get()->NodeId;
         BLOG_TRACE("NodeDisconnected for node " << nodeId);
-        if (NodeSysInfo.emplace(nodeId, NKikimrWhiteboard::TEvSystemStateResponse{}).second) {
-            RequestDone();
-        }
-        auto tenantId = NodeIdsToTenant[nodeId];
-        if (TenantNodeTabletInfo[tenantId].emplace(nodeId, NKikimrWhiteboard::TEvTabletStateResponse{}).second) {
-            RequestDone();
-        }
-        if (!TenantNodes[tenantId].empty()) {
+        if (!OffloadMerge) {
+            if (NodeSysInfo.emplace(nodeId, NKikimrWhiteboard::TEvSystemStateResponse{}).second) {
+                RequestDone();
+            }
+            auto tenantId = NodeIdsToTenant[nodeId];
+            if (TenantNodeTabletInfo[tenantId].emplace(nodeId, NKikimrWhiteboard::TEvTabletStateResponse{}).second) {
+                RequestDone();
+            }
+        } else if (!TenantNodes[tenantId].empty()) {
             if (Tablets) {
                 SendViewerTabletRequest(tenantId);
                 RequestDone();