This PR is meant to improve the UI and UX behind the Attributes filter
within the Inspector Controls of the “Products (Beta)“ block.
Also included:
* Refactor `useProductAttributes` hook
* Move it into the shared hooks.
* Fetch both terms AND attributes via the API (previously,
we got the attributes from the settings, but we'd get
partial objects compared to the API? Maybe a follow-up
to this could be to check why the attributes stored in
the settings are incomplete?)
* Make sure the return values match the ones expected
from search items.
* Remove attribute-related types from PQ directory
* Improve functionality of `SearchListControl`
* Allow the search input to be a Token based input.
* Allow for search input to search even collapsed properties.
* Use core `CheckboxControl` instead of radio buttons for
items having children (includes undeterminated state).
* Enable removal of tokens from the input
* Improve styles:
* Refactor classnames for `SearchItem`.
* Add more semantic classes.
* Align count label and caret to the right.
* Make caret switch direction on expanded.
* `cursor: pointer` on collapsible items.
* Indent children of collapsible items.
* Correctly pass through class names to search item
* Enable keyboard navigation for collapsible items
* Add link to manage attributes
* Change label inside the inspector controls
* Make search list attached when token type
* Implement more sophisticated behavior of parent checkbox
* If indeterminate or unchecked, it will check all children.
* If checked, it will uncheck all children.
* Remove hardcoded `isSingle` from `expandableSearchListItem`
61eeeb3c68