TrackParticleAssociationAlgs: Use decoration handle.
In TrackParticleClusterAssociationAlg, use a decoration handle to write decorations, so that they get properly locked.
See ATLASRECTS-8008.
Also make the algorithm reentrant.
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In TrackParticleClusterAssociationAlg, use a decoration handle to write decorations, so that they get properly locked.
See ATLASRECTS-8008.
Also make the algorithm reentrant.