refactor: re-add children property

packages/pinball_components/lib/src/components/android_spaceship/android_spaceship.dart

@@ -43,7 +43,8 @@ class AndroidSpaceship extends Component {
   @visibleForTesting
   AndroidSpaceship.test({
     required this.bloc,
-  });
+    Iterable<Component>? children,
+  }) : super(children: children);
 
   // TODO(alestiago): Consider refactoring once the following is merged:
   // https://github.com/flame-engine/flame/pull/1538