... rather than just the category id.
In order for the user to have selected a category, the category must
have been loaded and it's useful for the category chooser to provide
this fetched category so that it doesn't need to be refetched.
In the future, it would be better to store the categories that the
chooser knows about in local component state, so that the category
doesn't need to be fetched from the id map, but this, at least, puts the
API in place.
As of #23867 this is now a real package, so updating the imports to
use the real package name, rather than relying on the alias. The
name change in the package name is because `I18n` is not a valid
name as NPM packages must be all lowercase.
This commit also introduces an eslint rule to prevent importing from
the old I18n path.
For themes/plugins, the old 'i18n' name remains functional.
The host's category was successfully updated on the database, but the category property was not properly set when rendering the component for the first time.
