MET EDM: Change stored doubles to floats
This replaces MET EDM variables which are stored as doubles to floats (see ATLASRECTS-5205). The point of this is to save space in memory/xAODs; the effect on physics performance has been looked at and found to be negligible.
Tagging @khoo for a sanity check to make sure I didn't miss something, also @sawyer, @cdelitzs, @mswiatlo for their awareness.
Edited by William Keaton Balunas