Apply TURN relay to both WebRTC peers

streaming_app.py

@@ -222,6 +222,11 @@ async def get_turn_configuration():
         hf_token=token,
         ttl=TURN_TOKEN_TTL_SECONDS,
     )
+    # The browser and the aiortc server are both behind NAT/firewall boundaries
+    # on Spaces. Give the server peer the same short-lived relay configuration
+    # before the browser sends its SDP offer.
+    webrtc.server_rtc_configuration = WebRTC.convert_to_aiortc_format(configuration)
+    print("Applied temporary TURN relay configuration to both WebRTC peers.")
     clear_turn_token()
     return configuration