fix emulation of L1T ZDC EtSums [15_1_X]#49008

cmsbuild merged 4 commits intocms-sw:CMSSW_15_1_Xcms-sw/cmssw:CMSSW_15_1_Xfrom

missirol:devel_l1tZDCEtSumsEmulmissirol/cmssw:devel_l1tZDCEtSumsEmulCopy head branch name to clipboard