GeneratorObjectsTPCnv: Fix various HepMC3 conversion problems.
PDF/particle ID codes were scrambled when reading PDF info with HepMC3 in p5 and p6.
Fix writing vertex weights for p4, p5, and p6.
See ATLASRECTS-6859.
PDF/particle ID codes were scrambled when reading PDF info with HepMC3 in p5 and p6.
Fix writing vertex weights for p4, p5, and p6.
See ATLASRECTS-6859.