Improvements to save and loading

Improvements to Chinthe animation logic
Fix broken Godot Tool system and just use a more manual approach to setting map nodes
Remove ItemDatabase from individual room scenes

Zennysoft.Game.Ma/src/enemy/IEnemyModelView.cs

@@ -22,4 +22,6 @@ public interface IEnemyModelView : INode3D
   public void PlayDeathAnimation();
 
   public event EventHandler HitPlayer;
+
+  public event EventHandler ActivationFinished;
 }