// 1

        this.menu = [];
        const tmp = this.menuItems.getAll();
        tmp.forEach(level => {
            const firstLevel = { label: level.label, main: [] };
            level.main.forEach(item => {
                let result = true;
                if (item.roles !== undefined) {
                    result = false;
                    item.roles.forEach(role => {
                        if (!result && this.auth.isInRole(role)) {
                            result = true;
                        }
                    });
                }

                if (result) {
                    firstLevel.main.push(item);
                }
            });
            this.menu.push(firstLevel);
        });

// 2

        this.menu = this.menuItems.getAll()
            .map(top => ({
                label: top.label,
                main: top.main.filter(item => !item.roles || item.roles.some(r => this.auth.isInRole(r)))
            }));