* Fix sorting to push Storefront to the top of the theme list
* Add test to ensure Storefront is sorted in get_themes()
* copy paste cleanup
* Refactor sorting logic.
* Fix linting errors
* Updates per feedback.
* Add check for products property
* Fix for 5.6 CI.
* Oh hey another CI fix
Co-authored-by: Timmy Crawford <timmydcrawford@gmail.com>