CaloFillRectangularCluster fix GAUDI-1023 kind of warning
Since CaloFillRectangularCluster inherits from CaloClusterCorrection and the CaloClusterCorrection has already the 'CaloDetDescrManager' property we were getting a GAUDI-1023 kind of warning (genConf should warn about duplicated properties)
Edited by Christos Anastopoulos