MM-29988 - Update exising Post APIs with collapsed threads (#16503)

store/searchlayer/post_layer.go

@@ -108,7 +108,7 @@ func (s SearchPostStore) Delete(postId string, date int64, deletedByID string) e
 	err := s.PostStore.Delete(postId, date, deletedByID)
 
 	if err == nil {
-		postList, err2 := s.PostStore.Get(postId, true)
+		postList, err2 := s.PostStore.Get(postId, true, false, false)
 		if postList != nil && len(postList.Order) > 0 {
 			if err2 != nil {
 				s.deletePostIndex(postList.Posts[postList.Order[0]])