script compile time optimizations.

src/main/java/carpet/script/value/LazyListValue.java

@@ -192,6 +192,11 @@ public abstract class LazyListValue extends AbstractListValue implements Iterato
         return copy;
     }
 
+    @Override
+    public Value fromConstant() {
+        return (Value)clone();
+    }
+
     @Override
     public int hashCode()
     {