[#1238] Adopt neofs-node for non pointer slices in SDK

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

pkg/local_object_storage/engine/head_test.go

@@ -32,7 +32,7 @@ func TestHeadRaw(t *testing.T) {
 	link := generateObjectWithCID(t, cid)
 	link.SetParent(parent)
 	link.SetParentID(parent.ID())
-	link.SetChildren(child.ID())
+	link.SetChildren(*child.ID())
 	link.SetSplitID(splitID)
 
 	t.Run("virtual object split in different shards", func(t *testing.T) {