Fix: deserialize DynamicEnum using index

crates/bevy_scene/src/serde.rs

@@ -693,6 +693,31 @@ mod tests {
         assert_eq!(1, dst_world.query::<&Baz>().iter(&dst_world).count());
     }
 
+    #[test]
+    fn should_reserialize() {
+        let mut world = create_world();
+
+        world.spawn(MyComponent {
+            foo: [1, 2, 3],
+            bar: (1.3, 3.7),
+            baz: MyEnum::Tuple("Hello World!".to_string()),
+        });
+
+        let registry = world.resource::<AppTypeRegistry>();
+        let scene = DynamicScene::from_world(&world);
+        let serialized_scene1 = scene.serialize_ron(&registry.0).unwrap();
+
+        let scene_deserializer = SceneDeserializer {
+            type_registry: &registry.0.read(),
+        };
+        let mut deserializer = ron::de::Deserializer::from_str(&serialized_scene1).unwrap();
+        let deserialized_scene = scene_deserializer.deserialize(&mut deserializer).unwrap();
+
+        let serialized_scene2 = deserialized_scene.serialize_ron(&registry.0).unwrap();
+
+        assert_eq!(serialized_scene1, serialized_scene2);
+    }
+
     #[test]
     fn should_roundtrip_with_later_generations_and_obsolete_references() {
         let mut world = create_world();