Fix import of TypoScript for sitemap generation

extensions/t3org_layout/Configuration/TypoScript/Ext/Sitemap.typoscript

-@import 'EXT:seo/Configuration/TypoScript/XmlSitemap'
-@import 'EXT:news/Configuration/TypoScript/Sitemap'
+@import 'EXT:seo/Configuration/TypoScript/XmlSitemap/setup.typoscript'
+@import 'EXT:news/Configuration/TypoScript/Sitemap/setup.txt'
 plugin.tx_seo {
   config {
     xmlSitemap {

extensions/t3org_layout/ext_typoscript_constants.typoscript

+@import 'EXT:seo/Configuration/TypoScript/XmlSitemap/constants.typoscript'
+@import 'EXT:news/Configuration/TypoScript/Sitemap/constants.txt'
+
 styles.content {
   # PID with fe_users
   loginform.pid = 178