Refactor UI components to inherit from Control and update node paths for consistency

scripts/Resources/LevelResource.cs

@@ -0,0 +1,13 @@
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.Resources;
+
+[GlobalClass]
+public partial class LevelResource : Resource
+{
+    [Export] 
+    public string LevelName { get; set; } = string.Empty;
+
+    [Export] 
+    public string ScenePath { get; set; } = string.Empty;
+}