JetEventTPCnv+JetEvemt+ParticleEvent: Remove use of #define private.

Rework to remove use of non-standard #define private. Also make TP converter interfaces const.

Add some friend declarations in JetEvent.

Add a version of ParticleSigStateImpl::set_origin that takes an ElementLink.

This merge request affects 3 packages:

• PhysicsAnalysis/AnalysisCommon/ParticleEvent
• Reconstruction/Jet/JetEvent
• Reconstruction/Jet/JetEventTPCnv

added Analysis JetEtmiss Reconstruction master review-pending-level-1 labels

enabled an automatic merge when the pipeline for 804d6298 succeeds

CI Result SUCCESS

	Athena	AthSimulation
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 3865]

merged

mentioned in commit ec96c947

added sweep:ignore label