We need to be able to remove and change scripts while they're currently being active.

src/dynamic_data/models/pokemon.rs

@@ -399,9 +399,11 @@ impl<'own, 'library> Pokemon<'own, 'library> {
             // Ensure the ability script gets initialized with the parameters for the ability.
             self.ability_script()
                 .get()
-                .as_mut()
                 .unwrap()
-                .as_mut()
+                .read()
+                .as_ref()
+                .unwrap()
+                .as_ref()
                 .on_initialize(self.active_ability().parameters())
         } else {
             self.ability_script.clear();