LPS-38468 Not sitemapable layout's children won't be included in sitemap.xml
LPS-38468 articles should still be in the sitemap even if I don't want the page to be displayed in the navigation menu, right?
LPS-38468 minimize changes (keep logic separated)
LPS-38468 fix wrong title
LPS-38468 hidden pages should be also included in the sitemap by default. it can still be changed from the SEO section, otherwise, we have a conflict between these 2 options