More work on switching battle data to interior mutability, instead of exterior mutability.

src/dynamic_data/libraries/misc_library.rs

@@ -52,7 +52,7 @@ impl<'library> Gen7MiscLibrary<'library> {
             255,
             MoveTarget::Any,
             0,
-            SecondaryEffect::new(-1.0, StringKey::new("struggle"), vec![]),
+            Some(SecondaryEffect::new(-1.0, StringKey::new("struggle"), vec![])),
             HashSet::new(),
         ));
         let struggle_ptr = Box::into_raw(struggle_data);