HttpClient post MultiPartForm for HTTP/2 sets illegal header transfer-encoding

[DemonicTutor]

Version

5.0.3

Context

Creating this Issue to keep track of it myself.

Same issue as for WebClient: vert-x3/vertx-web#2283

I created a issue on netty: netty/netty#15597

Steps to reproduce

No response

Do you have a reproducer?

No response