fix: crash while set rpcinfo for db trans

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

@@ -710,10 +710,10 @@ int32_t mndSetRpcInfoForDbTrans(SMnode *pMnode, SRpcMsg *pMsg, EOperType oper, c
         mDebug("trans:%d, db:%s oper:%d matched with input", pTrans->id, dbname, oper);
         if (pTrans->pRpcArray == NULL) {
           pTrans->pRpcArray = taosArrayInit(1, sizeof(SRpcHandleInfo));
+        }
         if (pTrans->pRpcArray != NULL && taosArrayPush(pTrans->pRpcArray, &pMsg->info) != NULL) {
           code = 0;
         }
-        }
 
         sdbRelease(pMnode->pSdb, pTrans);
         break;