refactor(checkout): rename transfer candidate reasons

src/app/core/services/checkout.service.ts

@@ -80,7 +80,7 @@ export interface PurchaseStatusResponse {
 export type PurchasePaymentCandidateReason =
   | 'ambiguous_exact_match'
   | 'exact_dni_near_amount'
-  | 'exact_amount_different_dni';
+  | 'exact_amount_near_dni';
 
 export interface PurchasePaymentCandidatePrimaryResponse {
   reason: PurchasePaymentCandidateReason;