Subscribed calendar breaks when all day recurrent events are present

Describe the bug
When subscribing to a calendar which contains an all day recurrent event, no events are shown.

Steps to reproduce
Steps to reproduce the problematic behavior:
1. Create a recurrent event which is set as 'All Day' in a calendar
2. Subscribe to that calendar

Expected behavior
All events are shown.

Actual behavior
No events are shown, not even the non-recurrent ones.

Environment (please complete the following information):

• OS: linux mint
• Browser firefox
• XWiki version 15.10
• App version 2.5.2