Install and active by url or ajax

intall-active-theme.php

<?php 
    // get_current_screen()
    //$class=  'updated notice notice-success notice-alt is-dismissible';
    // install theme url esc_url( wp_nonce_url( $install_url, 'install-theme_' . $theme->slug ) )

    $theme_slug = 'twentyseventeen';

    $install_url = add_query_arg( array(
        'action' => 'install-theme',
        'theme'  => $theme_slug,
    ), self_admin_url( 'update.php' ) );

    /** ajax_install_theme
     slug: appsetter
    action: install-theme
    _ajax_nonce: 14550356f5
    _fs_nonce:
    username:
    password:
    connection_type:
    public_key:

    Respond: {"success":true,"data":{"install":"theme","slug":"appsetter","debug":["Downloading installation package from https:\/\/downloads.wordpress.org\/theme\/appsetter.1.0.7.zip&#8230;","Unpacking the package&#8230;","Installing the theme&#8230;","Theme installed successfully."],"themeName":"AppSetter","activateUrl":"https:\/\/onepress.dev\/wp-admin\/themes.php?action=activate&_wpnonce=63ec2e200a&stylesheet=appsetter","customizeUrl":"https:\/\/onepress.dev\/wp-admin\/customize.php?theme=appsetter&return=%2Fwp-admin%2Ftheme-install.php"}}
     *button button-primary theme-install updating-message
     */

    $ajax_data = array(
        'action' => 'install-theme',
        'theme'  => $theme_slug,
        '_ajax_nonce' => wp_create_nonce( 'install-theme_' . $theme_slug  )
    );

    $url  = wp_nonce_url( $install_url, 'install-theme_' . $theme_slug );
    $active_url = wp_nonce_url( admin_url( 'themes.php?action=activate&amp;stylesheet=' . $theme_slug ), 'switch-theme_' . $theme_slug );