feat(Core/Debug): GetDebugInfo implementation (#12705)

Cherry-pick: 9a924fb9d5

Co-authored-by: jackpoz <giacomopoz@gmail.com>

Co-authored-by: jackpoz <giacomopoz@gmail.com>

src/server/game/Entities/GameObject/GameObject.h

@@ -1060,6 +1060,8 @@ public:
     void UpdateSaveToDb(bool enable);
 
     void SavingStateOnDB();
+
+    std::string GetDebugInfo() const override;
 protected:
     bool AIM_Initialize();
     GameObjectModel* CreateModel();