Calendar: Ceil the limit for the recurrent entries

For example an entry that runs over 48 hours, starts at monday at midnight and is repeated every 2 days.
Requires to ceil the limit to show the last entry in the week view that goes into the next week.

library/Notifications/Widget/Calendar.php

@@ -152,7 +152,7 @@ public function getEntries(): Traversable
                 $length = $start->diff($end);
 
                 $visibleHours = Util::diffHours($start, $grid->getGridEnd());
-                $limit = (int) floor($visibleHours / (Util::diffHours($start, $end) ?: 0.5));
+                $limit = (int) ceil($visibleHours / (Util::diffHours($start, $end) ?: 0.5));
                 if ($limit > $visibleHours) {
                     $limit = $visibleHours;
                 }