fix: added payment_already_exist failure reason lightning

TICKET: BTC-2219

Author: parvbitgo067

modules/abstract-lightning/src/codecs/api/payment.ts

@@ -28,6 +28,7 @@ export const PAYMENT_FAILURE_INSUFFICIENT_WALLET_BALANCE = 'INSUFFICIENT_WALLET_
 /** Excess custodial lightning balance for the customer's wallet */
 export const PAYMENT_FAILURE_EXCESS_WALLET_BALANCE = 'EXCESS_WALLET_BALANCE';
 export const PAYMENT_FAILURE_INVOICE_EXPIRED = 'INVOICE_EXPIRED';
+export const PAYMENT_FAILURE_PAYMENT_ALREADY_EXISTS = 'PAYMENT_ALREADY_EXISTS';
 export const PAYMENT_FAILURE_CANCELED = 'CANCELED';
 export const PAYMENT_FAILURE_FORCE_FAILED = 'FORCE_FAILED';
 
@@ -40,6 +41,7 @@ export const PaymentFailureReason = t.union([
   t.literal(PAYMENT_FAILURE_INSUFFICIENT_WALLET_BALANCE),
   t.literal(PAYMENT_FAILURE_EXCESS_WALLET_BALANCE),
   t.literal(PAYMENT_FAILURE_INVOICE_EXPIRED),
+  t.literal(PAYMENT_FAILURE_PAYMENT_ALREADY_EXISTS),
   t.literal(PAYMENT_FAILURE_CANCELED),
   t.literal(PAYMENT_FAILURE_FORCE_FAILED),
 ]);