Changes to List conversions

removed subschema #1 subschema #2 subschema #3 from the request body oneOf list

added subschema #1 subschema #2 subschema #3 subschema #4 to the request body oneOf list

added the optional property conversions/items/booking_amount to the response with the 200 status

added the optional property conversions/items/booking_amount_eur to the response with the 200 status

added the optional property conversions/items/booking_currency to the response with the 200 status

added the optional property conversions/items/number_of_guests to the response with the 200 status

added the optional property conversions/items/number_of_rooms to the response with the 200 status

added the optional property conversions/items/property_id to the response with the 200 status

added the optional property conversions/items/room_nights to the response with the 200 status

added the optional property conversions/items/updated_at to the response with the 200 status