Adds global setting In Display tab to disable JS based table sort in wiki content (#40588).

Patch by Jens Krämer (user:jkraemer).

git-svn-id: https://svn.redmine.org/redmine/trunk@23401 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/assets/javascripts/application.js

@@ -1130,6 +1130,7 @@ function setupAttachmentDetail() {
 }
 
 function setupWikiTableSortableHeader() {
+  if (typeof Tablesort === 'undefined') { return; }
   $('div.wiki table').each(function(i, table){
     if (table.rows.length < 3) return true;
     var tr = $(table.rows).first();