[BUG] Error with something

[huachang]

The official CameraPickerState does not stop the timer when a file is created using the camera before the timer ends.

 Future<void> stopRecordingVideo() async {
    if (isControllerBusy) {
      return;
    }

    recordStopwatch.stop();
    if (innerController == null || !controller.value.isRecordingVideo) {
      recordCountdownTimer?.cancel();
      safeSetState(() {
        isControllerBusy = false;
        isShootingButtonAnimate = false;
      });
      return;
    }
    safeSetState(() {
      isControllerBusy = true;
      lastShootingButtonPressedPosition = null;
    });
    try {
      // should stop the timer here
      final XFile file = await controller.stopVideoRecording();