xAODMuonPrepData: add missing quantities to MMCluster
Whilst working on !67562 (closed), we realised that there are some quantities missing from MMCluster_v1
This fixes this, and cleans up the code a little.
Edited by Edward Moyse
Whilst working on !67562 (closed), we realised that there are some quantities missing from MMCluster_v1
This fixes this, and cleans up the code a little.