HPCC-10826 Make WSWU logic accessible to other projects
-class NewWsWorkunit moved to workunitshelpers.hpp
-static (in nature) methods grouped and organized in WsWuProcess

Signed-off-by: rpastrana <rodrigo.pastrana@lexisnexis.com>
HPCC-10103 - Refactoring based on code review

Signed-off-by: rpastrana <rodrigo.pastrana@lexisnexis.com>

Conflicts:

	esp/services/ws_sql/ws_sqlService.cpp
	esp/services/ws_workunits/ws_workunitsService.cpp
Merge pull request #5392 from rpastrana/HPCC-10826-WsWorkunits-visible

HPCC-10826 Make WSWU logic accessible to other projects

Reviewed-By: Anthony Fishbeck <anthony.fishbeck@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>