migration of booking of hlt2 lines from b_to_dh.py to hlt2_b2oc.py, add one sprucing line (shifter PLEASE ignore)
patch generated by https://gitlab.cern.ch/lhcb/Moore/-/jobs/13649950
Edited by Alessandro Bertolin
patch generated by https://gitlab.cern.ch/lhcb/Moore/-/jobs/13649950