Option to hide all-day events in event list widget

[UlyssesZh]

Checklist

• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
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Feature description

Add an option to hide all-day events in the event list widget.

Why do you want this feature?

I want to be able to see the current/next timed event at the top of the event list widget. However, if there is an all-day event today, it will show that all-day event at the top.

Additional information

No response