Add 'for' attribute in control label

* to make SonarQube happy

invenio_config_tuw/users/templates/notifications_settings.html

@@ -50,7 +50,7 @@ details.
                 </p>
                 <div class="ui toggle on-off checkbox">
                   <input type="checkbox" name="{{ enabled_field.id }}" id="{{ enabled_field.id }}" {{ "checked" if notif_enabled else "" }}>
-                  <label>
+                  <label for="{{ enabled_field.id }}">
                     <small class="ml-10">{{ enabled_field.description }}</small>
                   </label>
                 </div>