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/map/SpecialFloorNode.cs

@@ -0,0 +1,9 @@
+using Godot;
+
+namespace Zennysoft.Game.Ma;
+
+public partial class SpecialFloorNode : FloorNode
+{
+  [Export]
+  public SpecialFloorType FloorName { get; set; }
+}