[#166] Fix getting s3 object with the FrostFS OID name

Prioritize getting s3 object with the key, which equals to valid FrostFS OID, rather than getting non-existent object with OID via native protocol for GET and HEAD requests

Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>

internal/handler/browse.go

@@ -170,7 +170,7 @@ func (h *Handler) getDirObjectsS3(ctx context.Context, bucketInfo *data.BucketIn
 		objects: make([]ResponseObject, 0, len(nodes)),
 	}
 	for _, node := range nodes {
-		meta := node.GetMeta()
+		meta := node.Meta
 		if meta == nil {
 			continue
 		}