refactor: migrate vtk classes to use ObjectWrapper for model management and update registration logic

src/Vtk/HEP/Detectors/vtkDetectorChamber.cxx

@@ -73,13 +73,13 @@ DetectorChamber::~DetectorChamber() {
 }
 
 DetectorChamber::Content *DetectorChamber::GetContent() const {
-  return static_cast<Content *>(m_Content);
+  return static_cast<Content *>(this->m_model.get());
 }
 
 void DetectorChamber::Update() {
   this->BaseClass::Update();
 
-  if (!m_Content) return;
+  if (!this->m_model) return;
   Content *c = this->GetContent();
   Vector3f size = c->GetSize();
   HLine3f plane = c->GetProjectionPlane();