Fix the equality test.

src/renderer/parameters_context.rs

@@ -160,6 +160,7 @@ impl Walkable for OwnedLiteral {
 
 impl CompareContextElement for OwnedLiteral {
     fn equals(&self, other: &dyn ContextElement) -> bool {
+        // println!("equals literal {:?} | {:?}", self, other);
         // If its an OwnedLiteral then compare them directly,
         // otherwise defer to the other type's implementation of
         // CompareContextElement since the end user could add any