added e26_lhtight_nod0_ivarloose_L1EM20VH in the TrigEgamma monitoring
This is to add e26_lhtight_nod0_ivarloose_L1EM20VH to the TrigEgammaMonitoring. Test jobs output and roo file with this path available in my public:
/afs/cern.ch/user/f/fernando/public/ATR-19646