Update AmbientLight: add toString method

jme3-core/src/main/java/com/jme3/light/AmbientLight.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012, 2015 jMonkeyEngine
+ * Copyright (c) 2009-2025 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -83,4 +83,13 @@ public class AmbientLight extends Light {
         return Type.Ambient;
     }
 
+    @Override
+    public String toString() {
+        return getClass().getSimpleName()
+                + "[name=" + name
+                + ", color=" + color
+                + ", enabled=" + enabled
+                + "]";
+    }
+
 }