Item: {
    checked?: boolean;
    disabled?: boolean;
    flat?: boolean;
    hidden?: boolean;
    icon: string;
    onClick?: (() => void);
    order?: number;
    showInActionBar?: boolean;
    title: string;
    type: "btn";
} | {
    component: any;
    hidden?: boolean;
    order?: number;
    type: "custom";
}