avoid cached scrollbacks if stream contains a renderable event #1292
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Client init performance tweak.
We're performing scrollbacks hoping to pick up renderable events. By skipping cached scrollbacks when the loaded miniblocks already contain a renderable event, we can return early.
Lowers the duration of
loadStreamsFromPersistenceon my machine with my user's streams from ~7500ms to ~6500ms.This logic could also be tweaked to guarantee that a stream contains a top-level renderable event.