Fix(Java): Handle use case when no graphics configuration available

This should fix bug #16974

Wrapping/Java/vtk/rendering/vtkInteractorForwarder.java

@@ -130,7 +130,10 @@ public class vtkInteractorForwarder implements MouseListener, MouseMotionListene
     }
 
     // Update scale factor if needed
-    this.scaleFactor = vtkInteractorForwarder.getGraphicDeviceScale(e.getComponent().getGraphicsConfiguration().getDevice());
+    this.scaleFactor = 1;
+    if (e.getComponent().getGraphicsConfiguration() != null) {
+      this.scaleFactor = vtkInteractorForwarder.getGraphicDeviceScale(e.getComponent().getGraphicsConfiguration().getDevice());
+    }
 
     try {
       component.getVTKLock().lockInterruptibly();