My Sites Dashboard widget to show all user's sites on network

dashboard-my-sites.php

<?php

function mysites_network_dashboard_widget_setup() {
	add_meta_box(
	    'dashboard_mysites_widget',
	   	'My Sites',
	    'dashboard_mysites_widget',
	    'dashboard', 
	    'side',
	    'high'
	);
}

add_action( 'wp_dashboard_setup', 'mysites_network_dashboard_widget_setup', 99 );


function dashboard_mysites_widget() { 
	echo '<ul>';
    $blogs = get_blogs_of_user( get_current_user_id() );
	foreach ( $blogs as $blog ) {
		echo '<li><a href="'. esc_url( get_admin_url( $blog->userblog_id ) ) .'" title="'. sprintf( esc_html__( '%s Dashboard', 'tees' ), $blog->blogname ) .'">'. esc_html( $blog->blogname ) .'</a></li>';
	}
	echo '</ul>';
}