Игорь Федяев

for (let i = 0; i < data.data.addEngineer.length; i++) {
                    let item = this.order.filter(x => x.id_order === data.data.addEngineer[i].id_order);
                    item.forEach((found) => {
                        found.first_last_name = data.data.addEngineer[i].first_last_name;
                    });
                }