* allow merchant to toggle cart empty/full modes in block editor
* use text `Button` for empty/full toolbar buttons
* fix highlighting of current cart state (empty/full) in editor:
- use new custom TextToolbarButton for empty/full mode buttons
* use color variables from css/abstracts/_colors
* Update assets/js/components/text-toolbar-button/index.js
Co-Authored-By: Seghir Nadir <nadir.seghir@gmail.com>
* fix className now props is separated out
* basic empty cart block
* use a real placeholder for placeholder editor content
* remove unnecessary Fragment
* updates to config and frontend script
* enqueue frontend script
* add example config to block registration
* change name typo
Rua Haszard