[Improvement] Test DataSource connection return msg may not internationalization (#13767)

Co-authored-by: xuhaihui <xuhaihui@cmss.chinamobile.com>

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/DataSourceServiceImpl.java

@@ -400,7 +400,7 @@ public class DataSourceServiceImpl extends BaseServiceImpl implements DataSource
                     .orElse(e.getMessage());
             log.error("Datasource test connection error, dbType:{}, connectionParam:{}, message:{}.", type,
                     connectionParam, message);
-            return new Result<>(Status.CONNECTION_TEST_FAILURE.getCode(), message);
+            return new Result<>(Status.CONNECTION_TEST_FAILURE);
         }
     }