refactor: use typemap for aspects!

src/objects/input/sk_hand.rs

@@ -42,7 +42,7 @@ impl SkHand {
 	pub fn new(handed: Handed) -> Result<Self> {
 		let _node = Node::create_parent_name(&INTERNAL_CLIENT, "", &nanoid!(), false)
 			.add_to_scenegraph()?;
-		Spatial::add_to(&_node, None, Mat4::IDENTITY, false)?;
+		Spatial::add_to(&_node, None, Mat4::IDENTITY, false);
 		let hand = InputType::Hand(Box::new(Hand {
 			base: FlatHand {
 				right: handed == Handed::Right,