fix: fix create table result (#1354)

## Rationale
In this PR #1344, the results of
table creation in the integration test were updated, but it was found
that the integration test failed to pass due to an extra blank row. Fix
this problem.

## Detailed Changes
* Fix create table result.

## Test Plan
No need.

integration_tests/cases/env/cluster/ddl/create_tables.result

@@ -316,4 +316,4 @@ affected_rows: 0
 
 DROP TABLE IF EXISTS `05_create_tables_t12`;
 
-affected_rows: 0
+affected_rows: 0