refactor(core): Add a bit to `EventInfo` to mark resolution.

[tbondwilkinson]

This will prevent running ActionResolver logic multiple times while migrating to use Dispatcher to resolve actions rather than EventContract.

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[tbondwilkinson]

TESTED=TGP

[dylhunn]

This PR was merged into the repository by commit bb13174bd1fe4f1175eab44c9daef80f7a328ce3.