Hopefully addresses #376
Note, with this, a LOT of errors in the ddhep builds, previously hidden due to a bug in the way the MsgStram messages where terminated, are now seen in the dd4hep builds
PrFTHitsChecker ERROR No mat is found for (1629.59, 0, 9402.9)
PrFTHitsChecker ERROR No mat is found for (1636.72, 0, 9402.9)
PrFTHitsChecker ERROR No mat is found for (1640.22, 0, 9402.9)
PrFTHitsChecker ERROR No mat is found for (1685.51, 0, 9402.9)