How to get the form key and a child's html of the checkout.cart.order.actions block?

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Hello,
my layout update code is

<update handle="checkout_cart_item_renderers"/>
<update handle="checkout_shipping_price_renderer"/>
<update handle="checkout.cart.order.actions"/>
<container name="root">
	<block class="Magento\Checkout\Block\Cart" name="checkout.cart.form" as="cart-items" template="cart/form.phtml">
		<block class="Magento\Framework\View\Element\RendererList" name="checkout.cart.item.renderers" as="renderer.list"/>
		<block class="Magento\Framework\View\Element\Text\ListText" name="checkout.cart.order.actions"/>
	</block>
</container>

and controller code is

$response2 = $this->resultFactory->create(ResultFactory::TYPE_PAGE);
$layout = $response2->addHandle('checkout_cart_index2')->getLayout();
// where  checkout_cart_index2 my layout name
$html=$layout->getBlock('checkout.cart.form')->toHtml();

i get all item html but did not get form key and child html of checkout.cart.order.actions

Look forward your reply