refactor: 다른 서비스에서 사용하는 일정 조회 DTO에 상태 반환 추가

src/main/kotlin/roomescape/schedule/web/ScheduleDto.kt

@@ -10,8 +10,6 @@ data class AvailableThemeIdListResponse(
     val themeIds: List<Long>
 )
 
-fun List<ScheduleEntity>.toThemeIdListResponse() = AvailableThemeIdListResponse(this.map { it.themeId })
-
 data class ScheduleRetrieveResponse(
     val id: Long,
     val time: LocalTime,
@@ -70,11 +68,13 @@ fun ScheduleEntity.toDetailRetrieveResponse(createdBy: String, updatedBy: String
 data class ScheduleSummaryResponse(
     val date: LocalDate,
     val time: LocalTime,
-    val themeId: Long
+    val themeId: Long,
+    val status: ScheduleStatus
 )
 
 fun ScheduleEntity.toSummaryResponse() = ScheduleSummaryResponse(
     date = this.date,
     time = this.time,
-    themeId = this.themeId
+    themeId = this.themeId,
+    status = this.status
 )