Added a new unscaled time invoke handler, uses standard invoke API and is accessible on all FacepunchBehaviours (InvokeRepeatingUnscaledTime, CancelInvokeUnscaledTime, etc)
CoverageQueryFlare uses realtime invoke handler so that it can work as expected in a paused demo
CoverageQueries now updates in unscaled time
Fixes spotlights not hiding/showing based on occlusion in paused demos