HPCC-10044 Add 702 roxieconfig function to ws_workunitsQuerySets

Add IsLibrary and PublishBy for WUQuerysetDetailsResponse; Add IsLibrary,
Priority, WUSnapShot, LibrariesUsed, Errors, GraphIds and CountGraphs to
WUQueryDetailsResponse.

Signed-off-by: Kevin Wang kevin.wang@lexisnexis.com