ISF_FastCaloSimParametrization: Work around cppcheck warning.
cppcheck was warning that operator= didn't copy m_id. This seems to be bogus, but it's anyway nicer to default copy ctor/assignment; that in passing gets rid of the cppcheck warning.
cppcheck was warning that operator= didn't copy m_id. This seems to be bogus, but it's anyway nicer to default copy ctor/assignment; that in passing gets rid of the cppcheck warning.