[Maintenance] Use sylius_paypal.controller.paypal_buttons instead of FQCN

Author: Wojdylak

templates/shop/cart/index/content/form/sections/general/paypal_checkout.html.twig

@@ -1,3 +1,3 @@
 <div class="d-grid" data-live-ignore>
-    {{ render(controller('Sylius\\PayPalPlugin\\Controller\\PayPalButtonsController::renderCartPageButtonsAction', {'orderId': hookable_metadata.context.resource.id})) }}
+    {{ render(controller('sylius_paypal.controller.paypal_buttons::renderCartPageButtonsAction', {'orderId': hookable_metadata.context.resource.id})) }}
 </div>

templates/shop/checkout/select_payment/content/form/select_payment/payment/choice/details/paypal.html.twig

@@ -1,5 +1,5 @@
 {% if hookable_metadata.context.method.gatewayConfig.factoryName == 'sylius.pay_pal' %}
     <div data-live-ignore>
-        {{ render(controller('Sylius\\PayPalPlugin\\Controller\\PayPalButtonsController::renderPaymentPageButtonsAction', {'orderId': hookable_metadata.context.order.id})) }}
+        {{ render(controller('sylius_paypal.controller.paypal_buttons::renderPaymentPageButtonsAction', {'orderId': hookable_metadata.context.order.id})) }}
     </div>
 {% endif %}

templates/shop/product/show/content/info/summary/paypal_checkout.html.twig

@@ -1,3 +1,3 @@
 <div data-live-ignore>
-    {{ render(controller('Sylius\\PayPalPlugin\\Controller\\PayPalButtonsController::renderProductPageButtonsAction')) }}
+    {{ render(controller('sylius_paypal.controller.paypal_buttons::renderProductPageButtonsAction')) }}
 </div>