feat: 뒤풀이 참석자 조회 시 이름 가나다순 정렬 기능 추가 (#1275)

feat: 뒤풀이 참석자 조회 시 이름 가나다순 정렬 추가

Author: Sangwook02

src/main/java/com/gdschongik/gdsc/domain/event/application/EventParticipationService.java

@@ -89,7 +89,8 @@ public AfterPartyAttendanceResponse getAfterPartyAttendances(Long eventId) {
         Event event = eventRepository.findById(eventId).orElseThrow(() -> new CustomException(EVENT_NOT_FOUND));
         validateEventEnabledForAfterParty(event);
 
-        List<EventParticipation> eventParticipations = eventParticipationRepository.findAllByEvent(event);
+        List<EventParticipation> eventParticipations =
+                eventParticipationRepository.findAllByEventOrderByParticipantName(event);
 
         long attendedAfterApplyingCount = eventParticipations.stream()
                 .filter(eventParticipation -> eventParticipation

src/main/java/com/gdschongik/gdsc/domain/event/dao/EventParticipationRepository.java

@@ -11,6 +11,8 @@ public interface EventParticipationRepository
 
     List<EventParticipation> findAllByEvent(Event event);
 
+    List<EventParticipation> findAllByEventOrderByParticipantName(Event event);
+
     long countByEvent(Event event);
 
     boolean existsByEvent(Event event);