message: fix(server): do not automatically set ContentLength for 204 and 304 Responses
diff: @@ -131,9 +131,16 @@ impl Http1Transaction for ServerTransaction {
  body
  }
  - fn should_set_length(_head: &MessageHead<Self::Outgoing>) -> bool {
  + fn should_set_length(head: &MessageHead<Self::Outgoing>) -> bool {
  //TODO: pass method, check if method == HEAD
  - true
  +
  + match head.subject {
  + // TODO: support for 1xx codes needs improvement everywhere
  + // would be 100...199 => false
  + StatusCode::NoContent |
  + StatusCode::NotModified => false,
  + _ => true,
  + }
  }
  }
  