Add xAOD::TruthParticleContainer to CP algorithms CopyHelpers

Add xAOD::TruthParticleContainer to CP algorithms CopyHelpers to allow making shallow copies of it.

/cc @krumnack @jburr @mmuskinj

This merge request affects 1 package:

• PhysicsAnalysis/Algorithms/SystematicsHandles

This merge request affects 1 file:

• PhysicsAnalysis/Algorithms/SystematicsHandles/Root/CopyHelpers.cxx

Adding @krumnack ,@tadej ,@pagessin as watchers

added 21.2 Analysis analysis-review-required review-pending-level-1 labels

added 1 deleted label

Two CI jobs are triggered by 21.2 MR events: for AthDerivation with gcc62 compiler and with gcc8 for AnalysisBase and AthAnalysis projects.

• Developers and shifters need to wait for both results, sometimes for additional hour or two.

CI Result SUCCESS (hash f520f73f)

	AnalysisBase	AthAnalysis
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 40873]

CI Result SUCCESS (hash f520f73f)

	AthDerivation
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
AthDerivation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-GCC62-CC7 1150]

added review-approved label

removed review-pending-level-1 label

mentioned in commit 11da0ef5

merged

added sweep:done label

picked the changes into the branch cherry-pick-11da0ef529e-master with commit ab65927c

mentioned in commit ab65927c

Sweep summary
successful:

• master

(see https://aiatlas154.cern.ch/jenkins/job/auto_git_sweeps/1806/console for details)

mentioned in merge request !47544 (merged)

mentioned in commit 9cd2922c