Added the polarity fix for up/down in runMDFitter.py and mdfitutils.py
- added the polarity fix for up/down Gaussian constraints in runMDFitter.py and mdfitutils.py
- formatting patch generated by https://gitlab.cern.ch/lhcb/Urania/-/jobs/24069763
cc: @jobutter
Edited by Agnieszka Dziurda