configure HLT precision electrons step in newJO

This MR adds electron precision step in HLT newJO test. Changes were necessary in offline egamma components that were used. Not everything worked so I added necessary configuration where needed. In particular whole cluster correction setup simply does not work. I hope we can rework it to be more aligned with the newJO style because the one that is inspired by rec-ex-common seems unnecessarily convoluted (presumably for historical reasons) Extrapolator setup is not exactly identical as in rec-ex-common setup. And last but not least, for the few events that we run the precision selection always fails so the chains give 0 counts now.

Followup actions:

• sync. extrapolator setup
• expand (and decide) on egamma clusters corrections
• add more advanced chains using the ML selections
• need also to sync fast calo settings because now the lhvloose chain fails in this step