[BE] FCMNotificationEventListener의 FCMChannel을 수정 (#565) (#566)

* feat: FCMChannel 세부 추가

- EntryProcess
- EntryAlert

* chore: DTO 형식 수정

backend/src/main/java/com/festago/entry/dto/event/EntryProcessEvent.java

@@ -1,6 +1,7 @@
 package com.festago.entry.dto.event;
 
 public record EntryProcessEvent(
-    Long memberId) {
+    Long memberId
+) {
 
 }

backend/src/main/java/com/festago/fcm/application/FCMNotificationEventListener.java

@@ -36,7 +36,7 @@ public FCMNotificationEventListener(FirebaseMessaging firebaseMessaging, MemberF
     @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
     @Async
     public void sendFcmNotification(EntryProcessEvent event) {
-        List<Message> messages = createMessages(getMemberFCMToken(event.memberId()), FCMChannel.NOT_DEFINED.name());
+        List<Message> messages = createMessages(getMemberFCMToken(event.memberId()), FCMChannel.ENTRY_PROCESS.name());
         try {
             BatchResponse batchResponse = firebaseMessaging.sendAll(messages);
             checkAllSuccess(batchResponse, event.memberId());

backend/src/main/java/com/festago/fcm/domain/FCMChannel.java

@@ -1,5 +1,6 @@
 package com.festago.fcm.domain;
 
 public enum FCMChannel {
-    NOT_DEFINED;
+    ENTRY_PROCESS,
+    ENTRY_ALERT
 }