TriggerEgammaCA: Electron precision calo CA step

While !60232 (closed) is under development and waiting for CA menu to accommodate all sequences I am making this MR which will make CA steps that is useable by both !60232 (closed) and current Old style using CAtoGlobalWrapper. Our oldstyle egammma algorithm has a format where we define,

Reco-Sequence: Orderly Sequence of all Reconstruction algorithm
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Menu-Sequence: Calls Reco-Sequence and attaches it to a View and required HypoAlgs

In this step by step CA migration all Reco-Sequence will be migrated to CA and they can be called in both Old style Menu-Sequence and newStyle Menu-Sequence (ATR-26736). Adding @safarzad , @eegidiop , @fwinkl , @tamartin , @fpastore, @damazio (ATR-26736)