HPCC-11775 Improve efficiency of WUiterate in Sasha

WUiterate which scans and filters archives and online workunits,
accessed Dali in an inefficient way, especially in the case of
requesting a single workunit.

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Yuck!

Most of the time the "*" will be added, this is the exceptional case (that probably never really happens).
I think it could always add "*"  with no ill-effect and fix this bug.