message: gltfpack: Fix reindexing of meshes with morph targets
  We only need to take into account original attributes during reindexing
  to generate the remap table; we do need to remap all vertex streams with
  the resulting remap of course.
diff: @@ -567,6 +567,9 @@ void reindexMesh(Mesh& mesh)
  std::vector<meshopt_Stream> streams;
  for (size_t i = 0; i < mesh.streams.size(); ++i)
  {
  + if (mesh.streams[i].target)
  + continue;
  +
  meshopt_Stream stream = {&mesh.streams[i].data[0], sizeof(Attr), sizeof(Attr)};
  streams.push_back(stream);
  }
  