修复会议助手先开录音再转文本不生效问题

lib/modules/meeting/controllers/meeting_record_controller.dart

@@ -189,6 +189,8 @@ class MeetingRecordController extends GetxController
     _recognitionSubscription?.cancel();
     _recognitionSubscription =
         recognitionStream.listen(_handleRecognitionEvent);
+
+    await _asrService.startContinuousRecognition(_audioSourceType);
     showTextContent.toggle();
   }
 
@@ -278,8 +280,7 @@ class MeetingRecordController extends GetxController
 
   /// Resumes paused recording session
   Future<void> _resumeRecording() async {
-    final recognitionStream =
+    await _asrService.startContinuousRecognition(_audioSourceType);
-        await _asrService.startContinuousRecognition(_audioSourceType);
 
     startTimer();
   }