Fix dismiss notice

Author: aatanasovdev

php/class-admin.php

@@ -111,7 +111,9 @@ public function rest_endpoints( $endpoints ) {
 			'method'              => WP_REST_Server::CREATABLE,
 			'callback'            => array( $this, 'rest_dismiss_notice' ),
 			'args'                => array(),
-			'permission_callback' => array( 'Cloudinary\REST_API', 'validate_request' ),
+			'permission_callback' => function () {
+				return Utils::user_can( 'manage_settings' );
+			},
 		);
 
 		$endpoints['save_settings'] = array(