message: Update write.cpp
  Undo the accessor and buffer view change to preserve identical structure for these between different elements.
diff: @@ -641,11 +641,8 @@ void writeBufferView(std::string& json, BufferView::Kind kind, StreamFormat::Fil
  append(json, "{\"buffer\":");
  append(json, buffer);
  - if (bin_offset != 0)
  - {
  append(json, ",\"byteOffset\":");
  append(json, bin_offset);
  - }
  append(json, ",\"byteLength\":");
  append(json, bin_size);
  if (kind == BufferView::Kind_Vertex)
  @@ -689,11 +686,8 @@ static void writeAccessor(std::string& json, size_t view, size_t offset, cgltf_t
  {
  append(json, "{\"bufferView\":");
  append(json, view);
  - if (offset != 0)
  - {
  append(json, ",\"byteOffset\":");
  append(json, offset);
  - }
  append(json, ",\"componentType\":");
  append(json, componentType(component_type));
  append(json, ",\"count\":");
  