Calo Showeroverlap: change default to not apply L/S correction

do not apply L/S correction during shower overlap, as @ozenaiev has shown that it does not matter at this stage of the reconstruction, and forward this decision (also) to evaluate

Here is the study (see page 3):

https://indico.cern.ch/event/884100/contributions/3751196/attachments/1989296/3315932/Zenaiev-20200218-calo.pdf

Reference Updates: Moore!624 (merged) Brunel!1076 (merged) which also go together with !2214 (merged) Moore!622 (merged) !2215 (merged)