Fired once by the host at main-thread idle after the app is interactive; see the common
well-known events for the authoring-facing documentation.
Defined here rather than only in common because omitting activatesOn normalizes to this
event, and Plugin.normalizeActivation lives in core — which cannot import common without
closing the common -> core cycle.
Fired once by the host at main-thread idle after the app is interactive; see the
commonwell-known events for the authoring-facing documentation.Defined here rather than only in
commonbecause omittingactivatesOnnormalizes to this event, andPlugin.normalizeActivationlives in core — which cannot importcommonwithout closing thecommon -> corecycle.