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EventView configuration check for event-level algorithm reuse

Benjamin Michael Wynne requested to merge bwynne/athena:ViewConfigCheck into master

Prompted by a comment from @tbold, added a config-time check for the error noticed in https://its.cern.ch/jira/browse/ATR-19731

An algorithm running in two separate views is no problem, since these views have isolated algorithm states. However, the whole-event level algorithm states are copied into a view sub-slot when it is initialised, and so algorithms that have already run at the whole-event level will not run within the view.

This change identifies configurations where whole-event level algorithms are scheduled within EventViews, throws an error, and exits.

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