Merge pull request #1898 from greezybacon/issue/1896

lock: Disable navigation warning if not using the lock feature

Reviewed-By: Peter Rotich <peter@osticket.com>

scp/js/ticket.js

@@ -64,7 +64,7 @@ var autoLock = {
             autoLock.renewLock(e);
         }
 
-        if(!autoLock.lasteventTime) { //I hate nav away warnings..but
+        if(autoLock.lockId && !autoLock.lasteventTime) { //I hate nav away warnings..but
             $(document).on('pjax:beforeSend.changed', function(e) {
                 return confirm(__("Any changes or info you've entered will be discarded!"));
             });