fix(access_url): do not add port if 0

authcaptureproxy/auth_capture_proxy.py

@@ -141,7 +141,7 @@ def modifiers(self, value: Dict[Text, Union[Callable, Dict[Text, Callable]]]) ->
 
     def access_url(self) -> URL:
         """Return access url for proxy with port."""
-        return self._proxy_url.with_port(self.port)
+        return self._proxy_url.with_port(self.port) if self.port != 0 else self._proxy_url
 
     async def change_host_url(self, new_url: URL) -> None:
         """Change the host url of the proxy.