Function de_menu::singleplayer::button_system

fn button_system(
    commands: Commands<'_, '_>,
    interactions: Query<'_, '_, (&Interaction, &ButtonAction), Changed<Interaction>>,
    next_state: ResMut<'_, NextState<AppState>>,
    map: Res<'_, SelectedMap>,
    map_events: EventWriter<'_, SelectMapEvent>,
    toasts: EventWriter<'_, ToastEvent>
)