HPCC-10564 Roxie is not caching dali lookups effectively

When a package file is set up to use a separate pacakge for each query,
those packages will not share the cache of resolved dali lookups,
resulting in potentially abysmal perforamnce

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
HPCC-10564 Roxie is not caching dali lookups effectively

Minor change following code review

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge pull request #5232 from richardkchapman/roxie-package-cache

HPCC-10564 Roxie is not caching dali lookups effectively

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>