Adapt to typesafe ghoul::Boolean parameters

src/rendering/framebufferrenderer.cpp

@@ -261,7 +261,7 @@ void FramebufferRenderer::raycastersChanged(VolumeRaycaster&, bool) {
 }
 
 void FramebufferRenderer::deferredcastersChanged(Deferredcaster& deferredcaster,
-                                                 ghoul::Boolean isAttached)
+                                                 isAttached isAttached)
 {
     (void) deferredcaster;
     (void) isAttached;