modify ParticleFlowMaker to use Particle::Range
Related to Moore!4796 (merged).
This MR allows the possibility of using Particle::Selection as input for PF algorithm (see discussion and comment in Moore#959 (comment 9409679)).
FYI @rangel @mveghel @rjhunter @isanders @ausachov @mramospe @mvesteri
Edited by Davide Zuliani