perf(mobile): show the cached thread list sooner and stop the freeze after it (#16713)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
f9e16b3f66Julius Marminge committed on 10/8/2026, 2:21:59 AM· committed by GitHubparent83a82a4
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