Draft: TruthUtils/AtlasPID: Tidy isWeaklyDecayingBHadron and isWeaklyDecayingCHadron helper functions.
TruthUtils/AtlasPID: Add missing pdg_id values to isWeaklyDecayingBHadron and isWeaklyDecayingCHadron helper functions.
TruthUtils/AtlasPID: Add missing pdg_id values to isWeaklyDecayingBHadron and isWeaklyDecayingCHadron helper functions.