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

src/Vtk/Math/vtkCylinder.h

@@ -26,6 +26,7 @@
 #ifndef U_VTKCYLINDER_H
 #define U_VTKCYLINDER_H
 
+#include "Core/ObjectFactory.h"
 #include "Math/Cylinder.h"
 #include "Vtk/uLibVtkInterface.h"
 #include <vtkActor.h>
@@ -41,7 +42,7 @@ namespace Vtk {
  * mathematical state of a Cylinder object. It manages the alignment
  * between VTK's Y-centered cylinder and uLib's Z-based coordinate system.
  */
-class Cylinder : public Prop3D {
+class Cylinder : public Prop3D, public uLib::ObjectWrapper<uLib::Cylinder> {
   typedef uLib::Cylinder Content;
 
 public:
@@ -54,7 +55,9 @@ public:
   /** Synchronizes the uLib model matrix with the VTK actor specifically for gizmo interactions */
   virtual void SyncFromVtk() override;
 
-  virtual uLib::Object* GetContent() const override { return (uLib::Object*)m_Content; }
+  virtual uLib::Object *GetContent() const override {
+    return (uLib::Object *)m_model.get();
+  }
 
 protected:
   /** Sets up the VTK visualization pipeline */
@@ -62,7 +65,6 @@ protected:
 
   vtkActor *m_Actor;
   ::vtkAssembly *m_VtkAsm;
-  Content *m_Content;
   uLib::Connection m_UpdateSignal;
 };