Fix full day dialog display method

aleksis/apps/alsijil/frontend/components/coursebook/absences/ManageStudentsDialog.vue

@@ -137,11 +137,7 @@ export default {
       this.$set(this.selected, []);
       this.$refs.iterator.selected = [];
     },
-    activateFullDayDialog({
-      data: {
-        updateParticipationStatuses: { items },
-      },
-    }) {
+    activateFullDayDialog(items) {
       const itemIds = items.map((item) => item.id);
       const participations = this.documentation.participations.filter((part) =>
         itemIds.includes(part.id),