CaloMonAlgBase: Fix conditional initialization of ReadHandleKey
Gets rid of the per-event warnings
SGInputLoader WARNING unable to find proxy for ( 'BeamBackgroundData' , 'StoreGateSvc+CSCBackgroundForCaloMon' )
Gets rid of the per-event warnings
SGInputLoader WARNING unable to find proxy for ( 'BeamBackgroundData' , 'StoreGateSvc+CSCBackgroundForCaloMon' )