fix: return init agg failure when create operators to avoid coredump

source/libs/executor/src/executorimpl.c

@@ -3432,7 +3432,11 @@ int32_t initAggInfo(SExprSupp* pSup, SAggSupporter* pAggSup, SExprInfo* pExprInf
     return code;
   }
 
-  doInitAggInfoSup(pAggSup, pSup->pCtx, numOfCols, keyBufSize, pkey);
+  code = doInitAggInfoSup(pAggSup, pSup->pCtx, numOfCols, keyBufSize, pkey);
+  if (code != TSDB_CODE_SUCCESS) {
+    return code;
+  }
+
   for (int32_t i = 0; i < numOfCols; ++i) {
     pSup->pCtx[i].pBuf = pAggSup->pResultBuf;
   }