Issue #3105583 by Hardik_Patel_12, kostyashupenko, hash6, siddhant.bhosale, lauriii, andypost: Move HTML classes from claro_preprocess_radios to a template

(cherry picked from commit cf8b8a4577)

core/themes/claro/claro.theme

@@ -878,13 +878,6 @@ function claro_preprocess_form_element__password(&$variables) {
   }
 }
 
-/**
- * Implements template_preprocess_HOOK() for radios.
- */
-function claro_preprocess_radios(&$variables) {
-  $variables['attributes']['class'][] = 'form-boolean-group';
-}
-
 /**
  * Implements template_preprocess_HOOK() for filter_tips.
  */

core/themes/claro/templates/form/radios.html.twig

@@ -0,0 +1,13 @@
+{#
+/**
+ * @file
+ * Theme override for a 'radios' #type form element.
+ *
+ * Available variables
+ * - attributes: A list of HTML attributes for the wrapper element.
+ * - children: The rendered radios.
+ *
+ * @see template_preprocess_radios()
+ */
+#}
+<div{{ attributes.addClass('form-radios','form-boolean-group') }}>{{ children }}</div>