tauRecTools: add track impact parameters w.r.t. tau vertex (ATLTAU-1718)

Hello,

This MR is a follow up of !36099 (merged) that had introduced track IP significances w.r.t. the tau vertex. In this MR, we add the track IP w.r.t. the tau vertex, and rename the IP significances to make it explicit these are w.r.t. the tau vertex ("_TV"). At the moment, these variables are just added as decorations onto the tau tracks, but we may consider making them part of the tau track EDM. We are still investigating why z0sintheta_TV (from TrackToVertexIPEstimator) is sometimes identical to tau.track()->z0sinThetaTJVA(tau), and sometimes not (the difference comes from the z0 part, it seems sintheta is identical in the two calculations). Tracked at ATLTAU-1732.

Cheers, Bertrand

added Reconstruction Tau master labels

Tagging @cgrefe , @adbailey , @xiaozhon , @gipezzul for information.

This merge request affects 1 package:

• Reconstruction/tauRecTools

Adding @goetz ,@martindl ,@adbailey ,@xiaozhon as watchers

added review-pending-level-1 label

changed the description

CI Result SUCCESS (hash 239097a2)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 21033]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit d8d3b958

added sweep:ignore label