fix: タイムラインが読み込まれないのを修正

src/main/kotlin/dev/usbharu/hideout/service/post/MongoGenerateTimelineService.kt

@@ -4,6 +4,7 @@ import dev.usbharu.hideout.domain.mastodon.model.generated.Status
 import dev.usbharu.hideout.domain.model.hideout.entity.Timeline
 import dev.usbharu.hideout.query.mastodon.StatusQueryService
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty
+import org.springframework.data.domain.Sort
 import org.springframework.data.mongodb.core.MongoTemplate
 import org.springframework.data.mongodb.core.query.Criteria
 import org.springframework.data.mongodb.core.query.Query
@@ -26,6 +27,7 @@ class MongoGenerateTimelineService(
         limit: Int
     ): List<Status> {
         val query = Query()
+
         if (forUserId != null) {
             val criteria = Criteria.where("userId").`is`(forUserId)
             query.addCriteria(criteria)
@@ -43,7 +45,10 @@ class MongoGenerateTimelineService(
             query.addCriteria(criteria)
         }
 
-        val timelines = mongoTemplate.find(query.limit(limit), Timeline::class.java)
+        query.limit(limit)
+        query.with(Sort.by(Sort.Direction.DESC, "createdAt"))
+
+        val timelines = mongoTemplate.find(query, Timeline::class.java)
 
         return statusQueryService.findByPostIds(timelines.flatMap { setOfNotNull(it.postId, it.replyId, it.repostId) })
     }