clippy fixes

src/fighter.rs

@@ -224,7 +224,7 @@ pub fn attachment_system(
                 //Sync animation
                 if attached.sync_animation {
                     animation.current_frame = parent_animation.current_frame;
-                    animation.current_animation = parent_animation.current_animation.clone();
+                    animation.current_animation.clone_from(&parent_animation.current_animation);
                     animation.timer = parent_animation.timer.clone();
                     animation.played_once = parent_animation.played_once;
                 }

src/main.rs

@@ -105,7 +105,7 @@ fn main() {
             ..default()
         };
         if let Some(asset_folder) = &engine_config.asset_dir {
-            asset_plugin.asset_folder = asset_folder.clone();
+            asset_plugin.asset_folder.clone_from(asset_folder);
         }
         builder = builder.set(asset_plugin);