select widget : replace id by class

src/includes/components/widgets.pug

 solid-widget(name='cs-display-select')
   template
-    label#searchInstanceName="Search in {instance name} dababase only"
+    label.searchInstanceName="Search in {instance name} dababase only"
     span
       input(type="checkbox" id="searchLocalInstance" name='searchLocalInstance')
       label(for='searchLocalInstance' class='checkbox')="Yes"