Steps to reproduce the issue

On a menu item >> Template Style >> click drop-down >> choose a template style

Expected result

Works as expected

Actual result

See below

System information (as much as possible)

Joomla! 3.8.12

Additional comments

It would be great if here the drop-down showed template styles (same php file, different parameters) AND the files set up in the template as say "index_layout-name.php" (different php file, same parameters).

That way it would be possible to easily create multiple layouts with sets of predefined modules in predefined positions, using the default parameters, without having to set up different styles.

Thanks
S :)