chore(smallwebrtc): lower app message log to trace level

App messages can be high-frequency, so logging each one at debug is noisy.

src/pipecat/transports/smallwebrtc/transport.py

@@ -706,7 +706,7 @@ class SmallWebRTCInputTransport(BaseInputTransport):
         Args:
             message: The application message to process.
         """
-        logger.debug(f"Received app message inside SmallWebRTCInputTransport  {message}")
+        logger.trace(f"Received app message inside SmallWebRTCInputTransport  {message}")
         await self.broadcast_frame(InputTransportMessageFrame, message=message)
 
     # Add this method similar to DailyInputTransport.request_participant_image