HPCC-9640 Optimize NORMALIZE(ds, 0) and NORMALIZE(ds, 1)

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4617 from ghalliday/issue9640

HPCC-9640 Optimize NORMALIZE(ds, 0) and NORMALIZE(ds, 1)

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>