GeezerVison

Hi, and thanks for keeping python-kasa in such good shape!

Without rich installed, the fallback _echo runs the rich tag regex over every message, so commands that print an object instead of a string fail with TypeError: expected string or bytes-like object. kasa feature check_latest_firmware is one example, as reported in #1618. The fallback now strips tags only from strings and hands everything else to click.echo unchanged, which is also what rich itself does with such objects (it never parses markup in them).

This picks up #1619 by @mash-graz, who found the cause and proposed the string check, so they are credited as co-author. Thank you, mash-graz! I added a test next to the existing test_echo_strips_rich_tags_without_rich that fails before the change and passes after it.

AI was used as a helper for this change.