Andrew Steinborn 4f227badc2 Reintroduce sync event execution to the Velocity event system
This required a not-insubstantial number of bug fixes, since the sync support had bit-rotted somewhat. This PR also corrects a number of bugs.

Finally. the per-plugin executor services are now used to execute all async event tasks.
2024-09-15 20:41:11 -04:00
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2023-01-01 18:46:33 -05:00