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Updates to tau algorithms

Baptiste Ravina requested to merge ravinab/athena:tau_sf into main

This MR implements the following changes:

  • toggle FullSim vs FastSim modes for the smearing and efficiency correction algorithms;
  • allow to pass public tools in AsgSelectionAlg;
  • use the same public TauSelectionTool for both the selection and efficiency correction algorithms, instead of setting it up twice (more error prone!).

A note on the last item: the tau efficiency SFs don't actually need to use the TauSelectionTool, just to read off some of its properties, so the whole thing could be bypassed by removing the TauSelectionTool from the TauEfficiencyCorrectionsTool and exposing said properties to the user. This is left to Tau software experts to redesign their tool if deemed appropriate.

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