Add theme and boxed-layout settings to API/webinterface settings page

Signed-off-by: DL6ER <dl6er@dl6er.de>

scripts/pi-hole/js/settings-advanced.js

@@ -37,7 +37,7 @@ function generateRow(topic, key, value) {
   // else: we have a setting we can display
   var box =
     '<div class="box">' +
-    '<div class="box-header no-user-select">' +
+    '<div class="box-header">' +
     '<h3 class="box-title">' +
     key +
     (value.modified