Unload fusion when change slice orientation

src/src/UI/Widget/ImageView/dicomimageview.cpp

@@ -446,6 +446,7 @@ int DicomImageView::getSliceOrientation() {
 }
 
 void DicomImageView::setSliceOrientation(int orientation) {
+    unloadFusion();
     mSliceOrientation = orientation;
     mImageViewer->SetSliceOrientation(orientation);
     int max = 0;