fix trailing space bug introduced by Microsoft

radicale/tests/static/event_issue2172.ics

@@ -0,0 +1,44 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
+BEGIN:VTIMEZONE
+TZID:Mitteleuropäische Zeit 
+BEGIN:STANDARD
+DTSTART:20001025T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:Mitteleuropäische Zeit 
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+END:STANDARD
+BEGIN:DAYLIGHT
+DTSTART:20000329T010000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
+TZNAME:Mitteleuropäische Sommerzeit 
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VEVENT
+UID:20260619T141049Z_FED000F14A0
+DTSTART;TZID=Mitteleuropäische Zeit :20260701T170000
+DTEND;TZID=Mitteleuropäische Zeit :20260701T183000
+ATTENDEE;CN=Mario Voigt;CUTYPE=INDIVIDUAL;PARTSTAT=ACCEPTED:mailto:REDACTED@REDACTED
+CLASS:PUBLIC
+DESCRIPTION:REDACTED
+DTSTAMP:20260621T173336Z
+LAST-MODIFIED:20260621T173336Z
+LOCATION:Stadtwerkstatt
+ORGANIZER;CN=REDACTED;ROLE=CHAIR:mailto:REDACTED
+PRIORITY:5
+SUMMARY:REDACTED
+TRANSP:OPAQUE
+X-GWBOX-TYPE:SENT
+X-GWCLASS:NORMAL
+X-GWITEM-TYPE:APPOINTMENT
+X-GWSHOW-AS:BUSY
+X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
+X-MOZ-INVITED-ATTENDEE:mailto:REDACTED@REDACTED
+X-MOZ-RECEIVED-DTSTAMP:20260621T173336Z
+X-MOZ-RECEIVED-SEQUENCE:0
+END:VEVENT
+END:VCALENDAR