REST API: Use a consistent description for the `textdomain` schema property between plugins and themes controllers.

Follow-up to [48242], [48627].

Props audrasjb.
Fixes #50776. See #50321.
Built from https://develop.svn.wordpress.org/trunk@48628


git-svn-id: http://core.svn.wordpress.org/trunk@48390 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php

@@ -367,7 +367,7 @@ class WP_REST_Themes_Controller extends WP_REST_Controller {
 					),
 				),
 				'textdomain'     => array(
-					'description' => __( 'The theme\'s textdomain.' ),
+					'description' => __( 'The theme\'s text domain.' ),
 					'type'        => 'string',
 					'readonly'    => true,
 				),

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta3-48627';
+$wp_version = '5.5-beta3-48628';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.