Add new input support to MCHierarchy functorcollection
Following the discussion in mattermost: https://mattermost.web.cern.ch/lhcb/pl/hrfwhj4kqbyrbdyqm1t9peumea
This MR will add the support to apply the MCHierarchy functorcollection directly to the MCParticles.
Should be test with DaVinci!770 (merged)