postInclude for transforms using multiple SGs

For transforms using multiple StoreGates -- e.g. FastChain_tf.py with pile-up -- we need to point to the correct instance to retrieve correctly hard-scatter and pile-up events.

This postInclude configures SimHitToolBase-derived objects to use the OriginalEvent_SG collection for hard-scatter events by overriding the AthAlgTool::EvtStore property.

Depends on !31175 (merged) for MuonHitTestTool-derived classes to return successfully.

Closes ATLASSIM-4458

added 21.3 Simulation Test labels

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This merge request affects 1 package:

• Simulation/G4Atlas/G4AtlasTests

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Jenkins please retry a build

CI Result SUCCESS (hash 9b8db2b6)

	Athena
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Changes look fine, approving.

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merged

mentioned in commit 49bad63a

added sweep:ignore label

mentioned in merge request !31298 (merged)

mentioned in commit 4fada15e

mentioned in merge request !31887 (merged)

mentioned in commit a2a70552