Use dedicated AssetIdentifier instead of string

GlitchyEditor/src/Assets/AssetNode.bf

@@ -0,0 +1,32 @@
+using System;
+using System.Collections;
+using GlitchyEngine.Renderer;
+using GlitchyEngine.Content;
+namespace GlitchyEditor.Assets;
+
+public class AssetNode
+{
+	public String Name ~ delete _;
+	public String Path ~ delete _;
+	public AssetIdentifier Identifier ~ delete _;
+
+	public bool IsDirectory;
+
+	public AssetFile AssetFile ~ delete _;
+
+	public List<SubAsset> SubAssets ~ {
+		SubAssets?.ClearAndDeleteItems();
+		delete SubAssets;
+	}
+
+	public Texture2D PreviewImage ~ _?.ReleaseRef();
+}
+
+public class SubAsset
+{
+	public AssetNode Asset;
+	public String Name ~ delete _;
+	//public String AssetInternalPath ~ delete _;
+
+	public Texture2D PreviewImage ~ _?.ReleaseRef();
+}