examples/mqtt-ws-server.rs not worked wss with mqttx

[aamalev]

1. If use examples/mqtt-ws-client.rs - is ok

2. If use mqttx - not worked

$ mqttx pub -l wss --hostname 127.0.0.1 --port 8883 --mqtt-version 3.1.1 -t topic -m message --content-type text --insecure
✖ Exceed the maximum reconnect times limit, stop retry

log:

[2025-02-24T10:22:51Z TRACE ntex_io::tasks] : New 359 bytes available, wakeup dispatcher
Connection is established, select protocol
HTTP protocol is selected
[2025-02-24T10:22:51Z TRACE ntex::http::service] New http connection, peer address Some(127.0.0.1:63122), in-flight: 1
[2025-02-24T10:22:51Z DEBUG ntex_io::ioref] : Start timer Seconds(1)
[2025-02-24T10:22:51Z TRACE ntex::http::h1::dispatcher] : Trying to read http message
[2025-02-24T10:22:51Z TRACE ntex::http::h1::dispatcher] : Http message is received:
    Request HTTP/1.1 GET:/mqtt
      headers:
        "sec-websocket-key": "qVwximovjHWf983lpkfwIw=="
        "connection": "Upgrade"
        "sec-websocket-version": "13"
        "sec-websocket-extensions": "permessage-deflate; client_max_window_bits"
        "upgrade": "websocket"
        "sec-websocket-protocol": "mqtt"
        "host": "127.0.0.1:8883"
     and payload Stream(PayloadDecoder { kind: Cell { value: Eof } })
[2025-02-24T10:22:51Z DEBUG ntex::http::h1::dispatcher] IO: Dispatcher is stopped
[2025-02-24T10:22:51Z TRACE mqtt] Got http request:
    Request HTTP/1.1 GET:/mqtt
      headers:
        "sec-websocket-key": "qVwximovjHWf983lpkfwIw=="
        "connection": "Upgrade"
        "sec-websocket-version": "13"
        "sec-websocket-extensions": "permessage-deflate; client_max_window_bits"
        "upgrade": "websocket"
        "sec-websocket-protocol": "mqtt"
        "host": "127.0.0.1:8883"

[2025-02-24T10:22:51Z TRACE mqtt] WebSocket handshake is completed
[2025-02-24T10:22:51Z TRACE ntex_io::tasks] : Tcp stream is disconnected
[2025-02-24T10:22:51Z TRACE ntex_io::tasks] : Write task is instructed to terminate
[2025-02-24T10:22:51Z DEBUG ntex_io::ioref] : Stop timer
[2025-02-24T10:22:51Z TRACE ntex_io::ioref] : Force close io stream object