Merge branch 'feature/ISTWCMS-7187-ibiki-nested_categories' into '1.1.x'

ISTWCMS-7187: Installing views_tree module.

See merge request !202

uw_sites_all.install

@@ -2095,3 +2095,10 @@ function uw_sites_all_update_9168(&$sandbox) {
     );
   }
 }
+
+/**
+ * Installing views_tree module.
+ */
+function uw_sites_all_update_9169(&$sandbox) {
+  \Drupal::service('module_installer')->install(['views_tree']);
+}