fix(channel-donation): 기부 목록 조회 월 범위를 한국 시간 기준으로 계산한다

src/main/kotlin/kr/co/vividnext/sodalive/explorer/profile/channelDonation/ChannelDonationService.kt

@@ -11,7 +11,8 @@ import kr.co.vividnext.sodalive.member.MemberRole
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
-import java.time.LocalDate
+import java.time.ZoneId
+import java.time.ZonedDateTime
 import java.time.format.DateTimeFormatter
 import java.time.temporal.TemporalAdjusters
 
@@ -62,8 +63,11 @@ class ChannelDonationService(
         memberRepository.findCreatorByIdOrNull(creatorId)
             ?: throw SodaException(messageKey = "member.validation.creator_not_found")
 
-        val startDateTime = LocalDate.now()
+        val kstZoneId = ZoneId.of("Asia/Seoul")
+        val nowKst = ZonedDateTime.now(kstZoneId)
+        val startDateTime = nowKst
             .with(TemporalAdjusters.firstDayOfMonth())
+            .toLocalDate()
             .atStartOfDay()
         val endDateTime = startDateTime.plusMonths(1)
         val isCreator = member.role == MemberRole.CREATOR && creatorId == member.id