fix(vnd/snap): keep vnode stats transfered from leader

source/dnode/vnode/src/vnd/vnodeSnapshot.c

@@ -406,8 +406,10 @@ static int32_t vnodeSnapWriteInfo(SVSnapWriter *pWriter, uint8_t *pData, uint32_
     snprintf(dir, TSDB_FILENAME_LEN, "%s", pWriter->pVnode->path);
   }
 
-  SVnode *pVnode = pWriter->pVnode;
+  SVnodeStats vndStats = pWriter->info.config.vndStats;
+  SVnode     *pVnode = pWriter->pVnode;
   pWriter->info.config = pVnode->config;
+  pWriter->info.config.vndStats = vndStats;
   vDebug("vgId:%d, save config while write snapshot", pWriter->pVnode->config.vgId);
   if (vnodeSaveInfo(dir, &pWriter->info) < 0) {
     code = terrno;