Event selector does not work

Peter Kraume reported an issue

using the selector has no effect

Reported URL:https://new.typo3.org/community/events/detail/all/all/

User Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36