A bunch of fixes and improvements

src/script_implementations/wasm/export_registry/dynamic_data/pokemon.rs

@@ -194,7 +194,7 @@ register! {
     ) -> u8 {
         let name : *mut c_char = env.data().data().get_raw_pointer(name);
         let name = unsafe { CStr::from_ptr(name) };
-        let key = StringKey::new(&name.to_str().unwrap().clone());
+        let key = StringKey::new(name.to_str().unwrap().into());
         if pokemon.value_func(&env).unwrap().has_held_item(&key) { 1 } else { 0 }
     }