fix(dav): Timezone drift of OOO event

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Author: ChristophWurst

apps/dav/lib/Listener/OutOfOfficeListener.php

@@ -177,7 +177,7 @@ private function createVCalendarEvent(IOutOfOfficeData $data, ?string $timeZoneD
 			->setTime(0, 0);
 		$end = (new DateTimeImmutable())
 			->setTimestamp($data->getEndDate())
-			->modify('+ 2 days')
+			->modify('+ 1 days')
 			->setTime(0, 0);
 		$vCalendar = new VCalendar();
 		$vCalendar->add('VEVENT', [