Fix panic with many participants (#4035)

Fix bug from first test

Release Notes:

- (Added|Fixed|Improved) ...
([#<public_issue_number_if_exists>](https://github.com/zed-industries/community/issues/<public_issue_number_if_exists>)).
14f6ed8feaJoseph T. Lyons committed on 1/12/2024, 5:06:31 PM· committed by GitHubparentsbc09ce6981858e
1 file changedLine totals unavailable