Fix so folders list is scrolled to the selected folder on page load (#5424)

CHANGELOG

@@ -51,6 +51,7 @@ CHANGELOG Roundcube Webmail
 - Fix bug where folder creation could fail if personal namespace contained more than one entry (#5403)
 - Fix error causing empty INBOX listing in Firefox when using an URL with user:password specified (#5400)
 - Fix PHP warning when handling shared namespace with empty prefix (#5420)
+- Fix so folders list is scrolled to the selected folder on page load (#5424)
 
 RELEASE 1.2.1
 -------------

program/js/treelist.js

@@ -110,6 +110,11 @@ function rcube_treelist_widget(node, p)
   else
     update_data();
 
+  // scroll to the selected item
+  if (selection) {
+    scroll_to_node(id2dom(selection, true));
+  }
+
   container.attr('role', 'tree')
     .on('focusin', function(e) {
       // TODO: only accept focus on virtual nodes from keyboard events