[BE] FIX: AGU user deletedAt set to null

backend/src/main/java/org/ftclub/cabinet/auth/service/AuthFacadeService.java

@@ -83,7 +83,7 @@ public void handleUserLogin(HttpServletRequest req, HttpServletResponse res, Str
 				.orElseGet(() -> userCommandService.createUserByFtProfile(profile));
 		// 블랙홀이 API에서 가져온 날짜와 다르다면 갱신
 		if (!user.isSameBlackholedAt(profile.getBlackHoledAt())) {
-			userCommandService.updateUserBlackholedAtById(user.getId(), profile.getBlackHoledAt());
+			userCommandService.updateUserBlackholeStatus(user.getId(), profile.getBlackHoledAt());
 		}
 		String token = tokenProvider.createUserToken(user, LocalDateTime.now());
 		Cookie cookie = cookieManager.cookieOf(TokenProvider.USER_TOKEN_NAME, token);

backend/src/main/java/org/ftclub/cabinet/user/service/UserCommandService.java

@@ -103,10 +103,11 @@ public void updateAlarmStatus(User user, UpdateAlarmRequestDto updateAlarmReques
 	 * @param userId       유저의 ID
 	 * @param blackholedAt 변경할 blackholedAt
 	 */
-	public void updateUserBlackholedAtById(Long userId, LocalDateTime blackholedAt) {
+	public void updateUserBlackholeStatus(Long userId, LocalDateTime blackholedAt) {
 		User user = userRepository.findById(userId)
 				.orElseThrow(ExceptionStatus.NOT_FOUND_USER::asServiceException);
 		user.changeBlackholedAt(blackholedAt);
+		user.setDeletedAt(null);
 		userRepository.save(user);
 	}