Fix const_cast for Run-I EMConvert
Moving from 17.2 :
to the, at time new Run-2 tracking conventions, a const_cast was introduced ...
Anyhow, not sure how much the old EDM is really used these days but since it appears as a mutable to be fixed in the Reco Integration summary , here is a way to avoid it.
Edited by Christos Anastopoulos