Classic Editor Height Adjust

<?php
$screen = get_current_screen();
if ( ! $screen->is_block_editor() && in_array( $screen->post_type, ['tools', 'brand', 'company'], true ) )
{
add_filter( 'tiny_mce_before_init', function( $settings ) {
    $settings['height'] = '120';
    $settings['autoresize_max_height'] = '120';
    return $settings;
} );
}
endif;
?>