для справки
var models = require('point_of_sale.models');
var field_utils = require('web.field_utils');
var _super_order = models.Order.prototype;
models.Order = models.Order.extend({
initialize_validation_date: function () {
_super_order.initialize_validation_date.apply(this,arguments);
this.validation_date = new Date();
this.formatted_validation_date = field_utils.format.date(
moment(this.validation_date), {}, {timezone: false});
},
});