Final fixes for MSVC

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>

Code/Editor/Objects/BaseObject.h

@@ -743,9 +743,6 @@ private:
     //! Only called once after creation by ObjectManager.
     void SetClassDesc(CObjectClassDesc* classDesc);
 
-    // From CObject, (not implemented)
-    virtual void Serialize([[maybe_unused]] CArchive& ar) {};
-
     EScaleWarningLevel GetScaleWarningLevel() const;
     ERotationWarningLevel GetRotationWarningLevel() const;
 

Code/Editor/Objects/EntityObject.h

@@ -116,7 +116,8 @@ public:
     void UpdateVisibility(bool bVisible);
     bool ConvertFromObject(CBaseObject* object);
 
-    virtual void Serialize(CObjectArchive& ar);
+    using CBaseObject::Serialize;
+    void Serialize(CObjectArchive& ar) override;
     virtual void PostLoad(CObjectArchive& ar);
 
     XmlNodeRef Export(const QString& levelPath, XmlNodeRef& xmlNode);

Code/Editor/Objects/ObjectManager.cpp

@@ -52,6 +52,7 @@ public:
     GUID guid;
 
 public:
+    virtual ~CXMLObjectClassDesc() = default; 
     REFGUID ClassID() override
     {
         return guid;