Leah Neukirchen 4697271cef
[bugfix] send back Sec-Websocket-Protocol header for streaming WebSocket (#3169)
* [bugfix] send back Sec-Websocket-Protocol header for streaming WebSocket

Chrome expects the selected Sec-Websocket-Protocol to be sent back
on the WebSocket upgrade request (RFC6455 1.9).

* fiddle a bit to avoid getting headers multiple times

* add some explanatory notes

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Co-authored-by: tobi <tobi.smethurst@protonmail.com>
2024-08-06 11:52:27 +02:00
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