MCTruthClassifier: bugfix for W boson decays (AGENE-2326)
In the MCTruthClassifier::defOrigOfNeutrino function, the MCTruthClassifier tags neutrino truth particles produced as part of a nu nu_bar pair as originating from a Z boson. When checking for a W boson origin it correctly checks for e+nu_e, but then checks for nu+nu_bar for nu_mu and nu_tau neutrinos, rather than mu+nu_mu or tau+nu_tau.
It looks like a simple copy-paste error at some point in the past. Fixes AGENE-2326.
To avoid conflicts a separate MR was made for main (!78453 (merged)), so marking this one as sweep:ignore.
Edited by John Derek Chapman