added comment for payment, changed intent and added amount ui in operations

frontend/pshared/lib/data/mapper/payment/payment_response.dart

@@ -10,6 +10,7 @@ extension PaymentDTOMapper on PaymentDTO {
   Payment toDomain() => Payment(
     paymentRef: paymentRef,
     state: state,
+    comment: comment,
     source: source?.toDomain(),
     destination: destination?.toDomain(),
     orchestrationState: paymentOrchestrationStateFromValue(state),
@@ -26,6 +27,7 @@ extension PaymentMapper on Payment {
   PaymentDTO toDTO() => PaymentDTO(
     paymentRef: paymentRef,
     state: state ?? paymentOrchestrationStateToValue(orchestrationState),
+    comment: comment,
     source: source?.toDTO(),
     destination: destination?.toDTO(),
     failureCode: failureCode,