LPS-38220 Remove unnecessary methods in GroupFinder, move parameter processing code to GroupLocalService, no logic change.
LPS-38220 Clean up methods delegation hierarchy, no logic change.
LPS-38220 Fix Test
LPS-38220 SF
reorganize logic so when there are no facets avoid bobo facet engine
new method for adding boolean clauses to the search context
for BaseIndexer use facets in a filter capacity