Changes to Estimate fees for a pay in advance charge

the response property fees/items/total_aggregated_units became nullable for the status 200

added the new SYP enum value to the fees/items/amount_currency response property for the response status 200

added the new SYP enum value to the fees/items/applied_taxes/items/allOf[#/components/schemas/BaseAppliedTax]/amount_currency response property for the response status 200

added the new SYP enum value to the fees/items/total_amount_currency response property for the response status 200

added the new TND enum value to the fees/items/amount_currency response property for the response status 200

added the new TND enum value to the fees/items/applied_taxes/items/allOf[#/components/schemas/BaseAppliedTax]/amount_currency response property for the response status 200

added the new TND enum value to the fees/items/total_amount_currency response property for the response status 200

added the new optional request property event/precise_total_amount_cents

added the new optional request property event/properties/target_wallet_code

added the optional property fees/items/lago_original_fee_id to the response with the 200 status

the response property fees/items/item/description became required for the status 200

the response property fees/items/item/filter_invoice_display_name became required for the status 200

the response property fees/items/item/filters became required for the status 200

the response property fees/items/item/grouped_by became required for the status 200

the response property fees/items/item/invoice_display_name became required for the status 200