CaloFutureHypo2CaloFuture - make dd4hep compatible

See

https://lhcb-nightlies.web.cern.ch/nightly/lhcb-dd4hep/1158/Moore/x86_64_v2-centos7-gcc11%2Bdd4hep-opt/tests#RecoConf.hlt2_light_reco_pr_kf_without_UT

FutureNeutralProtoPAlg.CaloFutur...   FATAL CaloFutureHypo2CaloFuture:: Exception throw: get():: No valid data at '/world/DownstreamRegion/Ecal' StatusCode=FAILURE