Add missing standard FCS interface methods to FCSGAN class

Add missing interface methods to the FCS GAN class to return which calorimeter layers are simulated

This merge request affects 1 package:

• Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimEvent

This merge request affects 2 files:

• Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimEvent/ISF_FastCaloSimEvent/TFCSEnergyAndHitGAN.h
• Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimEvent/src/TFCSEnergyAndHitGAN.cxx

Adding @jchapman ,@pjacka ,@mfauccig ,@xiaozhon ,@ahasib ,@tadej ,@schaarsc as watchers

added 21.0 Simulation review-pending-level-1 labels

CI Result SUCCESS (hash cd437aec)

	Athena	AthDataQuality	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 166
AthDataQuality: number of compilation errors 0, warnings 1
AthSimulation: number of compilation errors 0, warnings 7
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 44479]

There is a warning in OverlayTier0Test_required-test as grep: run_overlay-d1498/log.Overlay: No such file or directory

I believe it is not related to this MR. Changes looks fine to me. Approving.

-- L1

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

mentioned in commit fe518a8a

merged

added sweep:done label

picked the changes into the branch cherry-pick-fe518a8a5b2-master with commit a2ae1bdc

mentioned in commit a2ae1bdc

Sweep summary
successful:

• master

(see https://aiatlas154.cern.ch/jenkins/job/auto_git_sweeps/2083/console for details)

mentioned in merge request !49373 (merged)

mentioned in commit d6fa6429