feat(audio): forward mic/system flag on the recording://level event

src-tauri/src/commands.rs

@@ -396,6 +396,7 @@ pub async fn start_recording(
                                 "meetingId": meeting_id_for_capture_events,
                                 "rms": level.rms,
                                 "peak": level.peak,
+                                "mic": level.mic,
                             }),
                         );
                     }