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postInclude for transforms using multiple SGs

Merged postInclude for transforms using multiple SGs
vpascuzz/athena:21p3.ATLASSIM-4458.fix into 21.3
Merged Vincent Pascuzzi requested to merge vpascuzz/athena:21p3.ATLASSIM-4458.fix into 21.3
  1. Mar 13, 2020
    • Vincent Pascuzzi's avatar
      postInclude for transforms using multiple SGs · 9b8db2b6
      Vincent Pascuzzi authored 
      For transforms using multiple `StoreGate`s -- 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.

Fixes ATLASSIM-4458. Depends on !31175 `MuonHitTestTool`-derived
classes to return successfully.
      9b8db2b6