fix: use correct late redemption enablement key

Renames:

`isLateRedemptionEnabled` -> `isLateRedemptionAllowed`

I can't quite fathom how this was wrong, but it's abundantly clear in
the API serializer that the correct value should be
`isLateRedemptionAllowed`.

ENT-9259

src/components/app/data/utils.js

@@ -438,10 +438,10 @@ export function getLateRedemptionBufferDays(redeemablePolicies) {
     return undefined;
   }
   const anyPolicyHasLateRedemptionEnabled = redeemablePolicies.some((policy) => (
-    // is_late_redemption_enabled=True on the serialized policy represents the fact that late
+    // is_late_redemption_allowed=True on the serialized policy represents the fact that late
     // redemption has been temporarily enabled by an operator for the policy. It will toggle
     // itself back to False after a finite period of time.
-    policy.isLateRedemptionEnabled
+    policy.isLateRedemptionAllowed
   ));
   const isEnrollableBufferDays = anyPolicyHasLateRedemptionEnabled ? LATE_ENROLLMENTS_BUFFER_DAYS : undefined;
   return isEnrollableBufferDays;