Lifetime is very tightly controlled here, so all should be okay.
I don't think we'll ever be using this anyway.
So only one hit object is ever judged in a single frame.
(cherry picked from commit debe13629f)
debe13629f
This exposes LifetimeOffset from DrawableHitObject which is used by the XSRG rulesets to adjust the life time range by the VisibleTimeRange.