Introduced central JpsiV0VertexFitCfg

Thomas Streblerrequested to merge
tstreble/athena:TrkVKalVrtFitterCfg into 23.0

Introduced central JpsiV0VertexFitCfg in FTAG1 and BPHY10 configs. Also updated ConfigFlags to flags in BPHY10 following CA conventions.

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