Add the inline blocks to a list, and add the list to block categories

This patch will add the inline blocks to a list, add the list to block categories, and now the user can search in the inline blocks.

The right Patch in the drupal core, see it here: https://www.drupal.org/project/drupal/issues/3343934#comment-14937536 ✨ Add the inline blocks to a list, and add the list to block categories Needs review