Support SharedObjectsContainer in DecayTreeFitter

Change the input container type of the DecayTreeFitter algorithm from LHCb::Particles to Gaudi::NamedRange<std::vector<const LHCb::Particle*>> in order to accept both KeyedContainer (like LHCb::Particles) and Gaudi::SharedObjectsContainer (returned by filter algorithms like FilterDecays).

To be merged with DaVinci!670 (merged).

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assigned to @dfazzini

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• 6a3caddd - Fixed formatting

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changed title from Draft: Support SharedObjectsContainer in DecayTreeFItter to Draft: Support SharedObjectsContainer in DecayTreeFitter

mentioned in merge request DaVinci!670 (merged)

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• b4566415 - Apply 1 suggestion(s) to 1 file(s)

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• 64116b7e - remove unused include

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• 32121a17 - small changes

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Hi @dfazzini, @pkoppenb, @amathad do you have any other comment or can I test it?

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No comments from me. If it works it works. To be seen how this changes with the new event model.

/ci-test --merge DaVinci!670 (merged)

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• [2022-03-22 15:26] Validation started with lhcb-master-mr#4052