add new container names for HLT egamma in EGAM derivation

Adding HLT container with new naming. Adding additional HLT containers needed for tuning of mc21. New addition:

HLT_egamma_Electrons
HLT_egamma_Electrons_GSF
HLT_egamma_Photons
HLT_CaloEMClusters_Photon
HLT_CaloEMClusters_Electron
HLT_IDTrack_Electron_IDTrig
HLT_IDTrack_Electron_GSF
HLT_TrigEMClusters

older containers are not removed.

@jpoveda @calpigia @gmarchio @cjmeyer @jodafons