fix: month view day events

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

src/components/MonthView.vue

@@ -174,9 +174,10 @@ const weeks = computed<WeekData[]>(() => {
   return weeksData;
 });
 
-// Single-day events for a specific date
+// Timed events for a specific date; timeless instances (all-day and
+// multi-day) render as lane bars via layoutMultiDayLanes instead
 function getSingleDayEvents(date: Date): CalendarInstance[] {
-  return instancesStore.instancesForDay(date).filter(instance => !instance.multiDay);
+  return instancesStore.instancesForDay(date).filter(instance => !instance.timeless);
 }
 
 // "+N more" popover listing all of a day's events