New drilldown view for search

Intended replacement for master/detail view, only applies to search for now
Make metrics use panel subsection ui style
Get rid of SecurityConfigUtil
Merge remote-tracking branch 'origin/master' into NEXUS-7336-osecurity-step-2
Merge remote-tracking branch 'origin/NEXUS-7336-osecurity-step-2' into NEXUS-7336-osecurity-step-3