HPCC-10753 Regression suite should default pickBestEngine=false for all queries

Add this parameter to all queries

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
Merge pull request #5338 from AttilaVamos/HPCC-10753-fix

HPCC-10753 Regression suite should default pickBestEngine=false for all queries

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>