Fixes the reference file alias to be used by IPxD taggers for the VR track jet collection. With this MR, BTagging_AntiKtVR30Rmax4Rmin02TrackAuxDyn.IP2D_pb distribution is filled (using the same reference as for PFlow)
Tagging @cschiavi @vdao @biliu @mguth @fdibello @dguest @thuffman @pgadow for FTAG