message: BUG: add clip planes before adding convex shape to Forbild phantom
  This fixes a bug introduced by
diff: @@ -93,8 +93,8 @@ ForbildPhantomFileReader ::GenerateOutputInformation()
  if (m_ConvexShape.IsNotNull())
  {
  m_ConvexShape->SetDensity(density);
  - m_GeometricPhantom->AddConvexShape(m_ConvexShape);
  FindClipPlanes(line);
  + m_GeometricPhantom->AddConvexShape(m_ConvexShape);
  FindUnions(line);
  m_ConvexShape = ConvexShape::Pointer(nullptr);
  }
  