Some fixes for interpolation setups

* added missing signal
* refresh list on reload button press
* display pitch value
* list ctor for single object

src/blackcore/simulator.cpp

@@ -969,7 +969,7 @@ namespace BlackCore
     void ISimulator::emitInterpolationSetupChanged()
     {
         QPointer<ISimulator> myself(this);
-        QTimer::singleShot(0, this, [ = ]
+        QTimer::singleShot(5, this, [ = ]
         {
             if (!myself) { return; }
             emit this->interpolationAndRenderingSetupChanged();