message: fix another serialization bug
diff: @@ -1124,7 +1124,7 @@ static std::ostream& operator<<(std::ostream& out, const BloomOptions& in) {
  << "\"enabled\": " << to_string(in.enabled) << ",\n"
  << "\"highlight\": " << (in.highlight) << ",\n"
  << "\"lensFlare\": " << to_string(in.lensFlare) << ",\n"
  - << "\"starburst\": " << (in.starburst) << ",\n"
  + << "\"starburst\": " << to_string(in.starburst) << ",\n"
  << "\"chromaticAberration\": " << (in.chromaticAberration) << ",\n"
  << "\"ghostCount\": " << int(in.ghostCount) << ",\n"
  << "\"ghostSpacing\": " << (in.ghostSpacing) << ",\n"
  