Fix missing network field in Clash Trojan WebSocket nodes (#431 #448)

Optimize codes.

src/generator/config/subexport.cpp

@@ -423,6 +423,7 @@ void proxyToClash(std::vector<Proxy> &nodes, YAML::Node &yamlnode, const ProxyGr
                     singleproxy["grpc-opts"]["grpc-service-name"] = x.Path;
                 break;
             case "ws"_hash:
+                singleproxy["network"] = x.TransferProtocol;
                 singleproxy["ws-opts"]["path"] = x.Path;
                 if(!x.Host.empty())
                     singleproxy["ws-opts"]["headers"]["Host"] = x.Host;