Administration: Use wp_admin_notice() in /wp-admin/.

Add usages of `wp_admin_notice()` and `wp_get_admin_notice()` on `.notice-[type]` in the root level of `/wp-admin/`. Ongoing task to implement new function across core.

Props costdev, joedolson.
See #57791.

git-svn-id: https://develop.svn.wordpress.org/trunk@56570 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/options-privacy.php

@@ -177,9 +177,15 @@ require_once ABSPATH . 'wp-admin/admin-header.php';
 
 <hr class="wp-header-end">
 
-<div class="notice notice-error hide-if-js">
-	<p><?php _e( 'The Privacy Settings require JavaScript.' ); ?></p>
-</div>
+<?php
+wp_admin_notice(
+	__( 'The Privacy Settings require JavaScript.' ),
+	array(
+		'type'               => 'error',
+		'additional_classes' => array( 'hide-if-js' ),
+	)
+);
+?>
 
 <div class="privacy-settings-body hide-if-no-js">
 	<h2><?php _e( 'Privacy Settings' ); ?></h2>