Fix for ATLASRECTS-4815
MdtCalibrationT0ShiftSvc and MdtCalibrationTMaxShiftSvc use the updated version of MuonMDT_Cabling->getCabling() that returns a pointer rather than a DataHandle.
Closes ATLASRECTS-4815
MdtCalibrationT0ShiftSvc and MdtCalibrationTMaxShiftSvc use the updated version of MuonMDT_Cabling->getCabling() that returns a pointer rather than a DataHandle.
Closes ATLASRECTS-4815