Use a potential discount in the AllocationToken when determining domain create price

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=245458027

java/google/registry/flows/domain/DomainFlowUtils.java

@@ -550,7 +550,8 @@ public class DomainFlowUtils {
       InternetDomainName domain,
       @Nullable CurrencyUnit topLevelCurrency,
       DateTime currentDate,
-      DomainPricingLogic pricingLogic)
+      DomainPricingLogic pricingLogic,
+      Optional<AllocationToken> allocationToken)
       throws EppException {
     DateTime now = currentDate;
     // Use the custom effective date specified in the fee check request, if there is one.
@@ -588,10 +589,10 @@ public class DomainFlowUtils {
           builder.setReasonIfSupported("reserved");
         } else {
           builder.setAvailIfSupported(true);
-          // TODO(b/117145844): Once allocation token support for domain check flow is implemented,
-          // we should be able to calculate the correct price here.
           fees =
-              pricingLogic.getCreatePrice(registry, domainNameString, now, years, false).getFees();
+              pricingLogic
+                  .getCreatePrice(registry, domainNameString, now, years, false, allocationToken)
+                  .getFees();
         }
         break;
       case RENEW: