Elastic: Fix pretty select so it works after being cloned

skins/elastic/ui.js

@@ -3042,6 +3042,10 @@ function rcube_elastic_ui()
 
         select = $(select);
 
+        if (select.is('.pretty-select')) {
+            return;
+        }
+
         var select_ident = 'select' + select.attr('id') + select.attr('name');
         var is_menu_open = function() {
             // Use proper window in cases when the select element intialized
@@ -3161,7 +3165,10 @@ function rcube_elastic_ui()
                 .popover('show');
         };
 
-        select.on('mousedown keydown', function(e) {
+        select.addClass('pretty-select')
+            .on('mousedown keydown', function(e) {
+                select = $(e.target); // so it works after clone
+
                 // Do nothing on disabled select or on TAB key
                 if (select.prop('disabled')) {
                     return;
@@ -3189,7 +3196,8 @@ function rcube_elastic_ui()
                     open_func(e);
                     return false;
                 }
-        }).on('click', function(e) {
+            })
+            .on('click', function(e) {
                 // Stop propagation of click event to prevent from
                 // disposing the menu by general popover closing handler (popups_close())
                 e.stopPropagation();