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/items/throwable/ThrowableItem.cs

@@ -29,12 +29,13 @@ public partial class ThrowableItem : InventoryItem, IStackable
 
   public override float ThrowSpeed => Stats.ThrowSpeed;
 
+  [Save("throwable_item_element")]
   public ElementType ElementType => Stats.ElementType;
-
+  [Save("throwable_item_tag")]
   public ThrowableItemTag ThrowableItemTag => Stats.ThrowableItemTag;
-
+  [Save("throwable_item_heal_hp")]
   public int HealHPAmount => Stats.HealHPAmount;
-
+  [Save("throwable_item_heal_vt")]
   public int HealVTAmount => Stats.HealVTAmount;
 
   public override ItemTag ItemTag => Stats.ItemTag;