🐛 fix: 리로드 시 이미 오픈된 이벤트를 또 오픈하려던 오류 수정

Issue Resolved: #

Author: kyu4583

back/src/domains/booking/service/open-booking.service.ts

@@ -51,7 +51,9 @@ export class OpenBookingService implements OnApplicationBootstrap {
   private async scheduleUpcomingReservationsToOpen(comingEvents: Event[]) {
     const now = new Date();
     const openedEventIds = new Set(await this.getOpenedEventIds());
-    const eventToOpen = comingEvents.filter((event) => event.reservationOpenDate <= now);
+    const eventToOpen = comingEvents.filter(
+      (event) => !openedEventIds.has(event.id) && event.reservationOpenDate <= now,
+    );
     const eventsToScheduleOpen = comingEvents.filter(
       (event) => !openedEventIds.has(event.id) && event.reservationOpenDate > now,
     );