Events omitted in day view

[niccokunzmann]

When I open the day view e.e. like this:

http://localhost:5000/calendar.html?url=http%3A%2F%2Flocalhost%3A8001%2Fissue-287-links-1.ics&target=%3Ctarget%3E&tab=day&date=2022-09-02&timezone=Europe/London

I can not see the events:

But when I go to the week view and then back to the day view, the events are visible: