Hgc digithr g4cutrange

Updates to HGCal digitization
Changing range cut in Geant4 in Si for e/gamma to 30microns (~1/3 Si width)
@vandreev11 Can you check as well?
I experienced crashes at the end of the generation of ttbar events with it declared as data member.
But I think we can make a std::unique_ptr. Per job there are 3 HGCDigitizers, one for each HGC section (EE,HEF,HEB)