fix(desktop): throttle hidden preview rendering (#7445)

Co-authored-by: t3-code[bot] <269035359+t3-code[bot]@users.noreply.github.com>
Co-authored-by: maria <254055478+maria-rcks@users.noreply.github.com>
fe281c5408t3-code[bot] committed on 8/19/2026, 12:22:37 AM· committed by GitHubparentbcfd485
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