chore: set user for dm transport

source/dnode/mgmt/node_mgmt/src/dmTransport.c

@@ -290,6 +290,7 @@ int32_t dmInitClient(SDnode *pDnode) {
   rpcInit.cfp = (RpcCfp)dmProcessRpcMsg;
   rpcInit.sessions = 1024;
   rpcInit.connType = TAOS_CONN_CLIENT;
+  rpcInit.user = "root";
   rpcInit.idleTime = tsShellActivityTimer * 1000;
   rpcInit.parent = pDnode;
   rpcInit.rfp = rpcRfp;

source/dnode/mnode/impl/src/mndDnode.c

@@ -1041,8 +1041,7 @@ static int32_t mndProcessConfigDnodeReq(SRpcMsg *pReq) {
   }
 
   mInfo("dnode:%d, start to config, option:%s, value:%s", cfgReq.dnodeId, cfgReq.config, cfgReq.value);
-  if ((pReq->info.ahandle != (void *)0x818611) &&
-      (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CONFIG_DNODE) != 0)) {
+  if (mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CONFIG_DNODE) != 0) {
     return -1;
   }