message: Fix small bug with JS serialization efficiency
diff: @@ -181,9 +181,8 @@ pub struct StreamConfig {
  pub template_owner: String,
  }
  -fn is_default<T: Default + Eq>(_t: &T) -> bool {
  - // t == &T::default()
  - false
  +fn is_default<T: Default + Eq>(t: &T) -> bool {
  + t == &T::default()
  }
  impl From<&StreamConfig> for StreamConfig {
  