* Add show child categories only toggle to Product Categories block
* Check if current page is a template editor before adding the toggle
* Show current category if show_children is enabled and its the last category in the hierarchy
* Update comment
* Fix typo
* Remove forward slash
* Add is-widget-editor utility and enable feature for block usage in widget editor
* Don't render anything if the child only option is enabled and there are no children
Tom Cafferkey