calendar sliceMultiDayEvents:true produces incorrect results #3542
Description
version 2.28 with calendar like this
BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Dirk Test
X-WR-TIMEZONE:Europe/Berlin
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240918
DTEND;VALUE=DATE:20240919
DTSTAMP:20240916T084410Z
UID:2crbv1ijljc2kt9jclkgu5hqa0@google.com
CREATED:20240916T083831Z
LAST-MODIFIED:20240916T083831Z
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:1 day single
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240919
DTEND;VALUE=DATE:20240920
RRULE:FREQ=YEARLY
DTSTAMP:20240916T084410Z
UID:6gb19havnq6vp2qput51e5rmml@google.com
CREATED:20240916T083850Z
LAST-MODIFIED:20240916T083850Z
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:1 day repeat
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240920
DTEND;VALUE=DATE:20240922
DTSTAMP:20240916T084410Z
UID:06e9u1trbqi3jbvstvq4qqutau@google.com
CREATED:20240916T083902Z
LAST-MODIFIED:20240916T083902Z
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:2 day single
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240923
DTEND;VALUE=DATE:20240925
RRULE:FREQ=YEARLY
DTSTAMP:20240916T084410Z
UID:0ui78rk6hpcv8rmbb6nuonhmgg@google.com
CREATED:20240916T083919Z
LAST-MODIFIED:20240916T083919Z
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:2 day repeat
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR
with timezone set to Europe/Berlin, the last event has 3 entries shown (in correct)
with timezone set to America/Chicago , only 2 (correct)