Elementor control

// Taxonomies
$this->add_control(
    'taxonomies',
    array(
        'label'     => esc_html__( 'Taxonomies', 'site' ),
        'type'      => Controls_Manager::SELECT2,
        'options'   => site_el_get_all_taxonomies(),
        'condition' => array(
            'posts_option' => 'categories',
        ),
        'multiple'  => true,
    )
);

// Taxonomies Inclusion
$this->add_control(
    'taxonomies_inclusion',
    array(
        'label'     => esc_html__( 'Taxonomies Inclusion', 'site' ),
        'type'      => Controls_Manager::SELECT2,
        'options'   => site_el_get_specific_taxonomies( $taxonomies_selected ),
        'condition' => array(
            'posts_option' => 'categories',
        ),
        'multiple'  => true,
    )
);