fix: 修复人脸录入过程中,关闭窗口后,人脸设备未即时退出问题

未及时释放设备对象

pms: BUG-307657

Author: ECQZXC

workmodule.cpp

@@ -72,6 +72,7 @@ void ErollThread::Stop()
     m_stopCapture = true;
     m_camera->stop();
     m_camera->unload();
+    m_camera.reset();
     close(m_fileSocket);
 }