Add Translations for the chosen lib + fix select class see #7701

main/inc/lib/pear/HTML/QuickForm/select.php

@@ -82,7 +82,11 @@ class HTML_QuickForm_select extends HTML_QuickForm_element
         $attributes = null
     ) {
         if (is_array($attributes) || empty($attributes)) {
-            $attributes['class'] = 'form-control';
+            $oldClass = '';
+            if (!empty($attributes['class'])) {
+                $oldClass = $attributes['class'];
+            }
+            $attributes['class'] = $oldClass.' form-control';
         }
         $columnsSize = isset($attributes['cols-size']) ? $attributes['cols-size'] : null;
         $this->setColumnsSize($columnsSize);

main/template/default/layout/footer.tpl

@@ -152,7 +152,10 @@
 
         // Chosen select
         $(".chzn-select").chosen({
-            disable_search_threshold: 10
+            disable_search_threshold: 10,
+            no_results_text: '{{ 'SearchNoResultsFound' | get_lang }}',
+            placeholder_text_multiple: '{{ 'SelectSomeOptions' | get_lang }}',
+            placeholder_text_single: '{{ 'SelectAnOption' | get_lang }}'
         });
 
         // Adv multi-select search input.