Quick/Bulk Edit: Check if post status is set in wp_ajax_inline_save().

This aims to avoid a PHP warning if the status value is missing in the request.

Follow-up to [8951], [9083].

Props bor0, jorbin, SergeyBiryukov.
Fixes #63622.

git-svn-id: https://develop.svn.wordpress.org/trunk@60639 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-admin/includes/ajax-actions.php

@@ -2117,7 +2117,7 @@ function wp_ajax_inline_save() {
 	if ( isset( $data['keep_private'] ) && 'private' === $data['keep_private'] ) {
 		$data['visibility']  = 'private';
 		$data['post_status'] = 'private';
-	} else {
+	} elseif ( isset( $data['_status'] ) ) {
 		$data['post_status'] = $data['_status'];
 	}