fix(netsuite): Add amount to invoice line items

app/services/integrations/aggregator/invoices/payloads/netsuite.rb

@@ -103,6 +103,7 @@ def item(fee)
               'account' => mapped_item.external_account_code,
               'quantity' => fee.units,
               'rate' => limited_rate(fee.precise_unit_amount),
+              'amount' => limited_rate(amount(fee.amount_cents, resource: invoice)),
               'taxdetailsreference' => fee.id
             }
           end