TUN-7124: Add intercept ingress rule for management requests

connection/http2.go

@@ -218,6 +218,7 @@ func NewHTTP2RespWriter(r *http.Request, w http.ResponseWriter, connType Type, l
 		w:           w,
 		flusher:     flusher,
 		shouldFlush: connType.shouldFlush(),
+		respHeaders: make(http.Header),
 		log:         log,
 	}, nil
 }

connection/quic.go

@@ -407,7 +407,7 @@ type httpResponseAdapter struct {
 }
 
 func newHTTPResponseAdapter(s *quicpogs.RequestServerStream) httpResponseAdapter {
-	return httpResponseAdapter{RequestServerStream: s}
+	return httpResponseAdapter{RequestServerStream: s, headers: make(http.Header)}
 }
 
 func (hrw *httpResponseAdapter) AddTrailer(trailerName, trailerValue string) {