Draft: B2OC: add TrackVertexMonitor to the relevant line(s)
- [ ]: undo changes to hlt2_b2oc_example.py
- [ ]: put back the prescale to the monitored line
- [ ]: multithread issue
patch generated by https://gitlab.cern.ch/lhcb/Moore/-/jobs/37082368
Edited by Alessandro Bertolin