Editor: Update default block categories

See WordPress/gutenberg#19279.

Props aduth, gziolo.
Fixes #50278.


git-svn-id: https://develop.svn.wordpress.org/trunk@48119 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/post.php

@@ -2179,33 +2179,33 @@ function use_block_editor_for_post_type( $post_type ) {
 function get_block_categories( $post ) {
  $default_categories = array(
  array(
- 'slug' => 'common',
- 'title' => __( 'Common Blocks' ),
+ 'slug' => 'text',
+ 'title' => _x( 'Text', 'block category' ),
  'icon' => null,
  ),
  array(
- 'slug' => 'formatting',
- 'title' => __( 'Formatting' ),
+ 'slug' => 'media',
+ 'title' => _x( 'Media', 'block category' ),
  'icon' => null,
  ),
  array(
- 'slug' => 'layout',
- 'title' => __( 'Layout Elements' ),
+ 'slug' => 'design',
+ 'title' => _x( 'Design', 'block category' ),
  'icon' => null,
  ),
  array(
  'slug' => 'widgets',
- 'title' => __( 'Widgets' ),
+ 'title' => _x( 'Widgets', 'block category' ),
  'icon' => null,
  ),
  array(
  'slug' => 'embed',
- 'title' => __( 'Embeds' ),
+ 'title' => _x( 'Embeds', 'block category' ),
  'icon' => null,
  ),
  array(
  'slug' => 'reusable',
- 'title' => __( 'Reusable Blocks' ),
+ 'title' => _x( 'Reusable Blocks', 'block category' ),
  'icon' => null,
  ),
  );