Enable WS compression

[vlw]

Websocket compression was disabled in #433 . Root issue: #430

compression was fixed in coder/websocket 1.8.8 (Oct 20, 2023)

coder/websocket@97d7f90
coder/websocket#258
coder/websocket#351
https://github.com/coder/websocket/releases/tag/v1.8.8

We can enable WS compression. I tested, it works.

[xyq-c-cpp]

thanks for your feedback @vlw