Multiple days event are not rendered correctly, zIndex issue

[Terspychore]

When using multiple days events, the calendar cells are overlaying the extra event width making it invisible if we have a background color. The event seems to be still clickable, but the onPress animation does'nt really trigger.

I am guesing that a fix for that might be tricky as it would change the tree ordering..

[acro5piano]

Hi, sorry for my slow response. As you say it should be tough to fix the issue, but if you create a pull request, I'm happy to merge it. Thanks.