fix time entries incorrectly not updating in calendar

the synced snapDuration cause incorrect noops on updates f.e. 15:55-16:00 on a 15 minute snap

Author: Onatcer

resources/js/packages/ui/src/FullCalendar/TimeEntryCalendar.vue

@@ -368,7 +368,7 @@ const calendarOptions = computed(() => {
         slotDuration: formatDuration(s.slotMinutes * 60),
         slotLabelInterval: '01:00:00',
         slotLabelFormat: getSlotLabelFormat(),
-        snapDuration: formatDuration(s.snapMinutes * 60),
+        snapDuration: '00:01:00',
         firstDay: getFirstDay(),
         allDaySlot: false,
         nowIndicator: true,