Navigation Items between Navigation groups

return $builder
    ->groups([
        NavigationGroup::make('Test 1')
            ->items([
                ...RoleResource::getNavigationItems(),
            ]),
    ])
    ->items([
        ...ConstructionSiteResource::getNavigationItems(),
    ])
    ->groups([
        NavigationGroup::make('Test')
            ->items([
                ...UserAdminResource::getNavigationItems(),
                ...UserCustomerResource::getNavigationItems(),
            ]),
    ]);