Method impl_deserialize

OpenHD/ohd_video/src/camera_holder.cpp:50–53

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std::optional<CameraSettings> CameraHolder::impl_deserialize(
    const std::string &file_as_string) const {
  return openhd_json_parse<CameraSettings>(file_as_string);
}

std::string CameraHolder::imp_serialize(const CameraSettings &data) const {
  const nlohmann::json tmp = data;