YAML Dynamic Config Not Working with TLS Client Hello Prefix

### Application Outline Client ### Describe the bug As the title suggests, the Outline fails to connect to the server when the TLS Client Hello prefix is used in conjunction with the UDP Prefix. Reproduced on both Windows and MacOS ### Steps to reproduce Use YAML Payload: TCP is using TLS Client Hello UDP is using QUIC Client Initial ``` transport: $type: tcpudp tcp: $type: shadowsocks endpoint: '140.245.119.xx:443' cipher: chacha20-ietf-poly1305 secret: REDUCTED prefix: \u0016\u0003\u0001\u0000\u00a8\u0001\u0001 udp: $type: shadowsocks endpoint: '140.245.119.xx:443' cipher: chacha20-ietf-poly1305 secret: REDUCTED prefix: \u00e2\u008b\u004f\u007a\u0011\u0092\u003d\u000f ``` ### What did you expect to happen? _No response_ ### What actually happened? Got error: ``` ProxyConnectionFailure: Failed to connect to server vpn-service.xxx. Cause: ServerUnreachable: failed to dial to the server Cause: ERR_INTERNAL_ERROR: failed to write target address ``` ### Outline Version 1.17.0 ### What operation system are you using? Windows ### Operating System Version Windows 10 / MacOS 26.1 ### Screenshots and Videos _No response_