fix(udf): destory data block in the error case (#34140)

Author: stephenkgu

source/libs/function/src/tudf.c

@@ -2284,8 +2284,8 @@ int32_t doCallUdfScalarFunc(UdfcFuncHandle handle, SScalarParam *input, int32_t
   int32_t     err = callUdf(handle, callType, &inputBlock, NULL, NULL, &resultBlock, NULL);
   if (err == 0) {
     err = convertDataBlockToScalarParm(&resultBlock, output);
-    taosArrayDestroy(resultBlock.pDataBlock);
   }
+  taosArrayDestroy(resultBlock.pDataBlock);
 
   blockDataFreeRes(&inputBlock);
   return err;

test/ci/cases.task

@@ -468,8 +468,7 @@
 #,,y,.,./ci/pytest.sh pytest cases/12-UDFs/test_udf_py.py
 #,,y,.,./ci/pytest.sh pytest cases/12-UDFs/test_udf_with_const.py
 ,,y,.,./ci/pytest.sh pytest cases/12-UDFs/test_udf_restart_taosd.py
-# Temporarily disable memory leak detection for UDF tests
-#,,y,.,./ci/pytest.sh pytest cases/12-UDFs/test_udf_test.py
+,,y,.,./ci/pytest.sh pytest cases/12-UDFs/test_udf_test.py
 ,,n,.,pytest cases/12-UDFs/test_udf_test.py
 ,,n,.,pytest cases/12-UDFs/test_udf_create.py
 ,,n,.,pytest cases/12-UDFs/test_udf_cfg1.py