B2OC: Tuning baryonic Hb->Hcpi and Hb->Hc3pi cuts

This MR aims to tighten selections on Lb/Xib/Omb -> charm + npi.

Related SL MR for hadronic-tau.

List of lines in bbaryon_to_cbaryon_hhh.py:

1. LbToLcpPiPiPi_LcpToPKPi (spruce line)
2. Xib0ToXicpPiPiPi_XicpToPKPi (spruce line)
3. OmbmToOmc0PiPiPi_Omc0ToPKKPi
4. OmbmToOmc0KPiPi_Omc0ToPKKPi
5. OmbmToOmc0KKPi_Omc0ToPKKPi

Lines in bbaryon_to_cbaryon_h.py

1. Xib0ToXicpPi_XicpToPKPi
2. XibmToXic0Pi_Xic0ToPKKPi
3. OmbmToOmc0Pi_Omc0ToPKKPi

The log file from Moore is attached here after running the b2oc options file hlt2_b2oc_example.py for_b2oc_rates.log