Fix arviz causing the gui to freeze when closed

source/RobotAPI/components/ArViz/Coin/Visualizer.cpp

@@ -119,12 +119,15 @@ namespace armarx::viz
             return;
         }
 
+        state = CoinVisualizerState::STOPPED;
+        /*
         state = CoinVisualizerState::STOPPING;
         while (state != CoinVisualizerState::STOPPED)
         {
             QCoreApplication::processEvents();
             usleep(1000);
         }
+        */
     }
 
     CoinVisualizer_ApplyTiming CoinVisualizer::apply(data::LayerUpdate const& update)