fix: proxy-groups filter logic

adapter/outbound/vmess.go

@@ -75,6 +75,10 @@ type WSOptions struct {
 	EarlyDataHeaderName string            `proxy:"early-data-header-name,omitempty"`
 }
 
+func (v *Vmess) IsProxyGroup() bool {
+	return false
+}
+
 // StreamConn implements C.ProxyAdapter
 func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	var err error