Fix navigation to document whose name contains a @

Pre-requisites: the nuxeo-web-ui addon must be installed

Steps to reproduce:

1. Go to the JSF UI
2. Navigate to your personal workspace
3. Click on the New button and choose Note
4. Fill the title with the value nuxeotestuser2@nuxeo.com and hit the create button
5. Click on the WEBUI link in the main tabs
6. Go to the Recently viewed menu
   # Click on the new document which should be displayed on top

An error page is displayed with the following text

404
Not Found
/default-domain/UserWorkspaces/Administrator/nuxeotestuser2
Could not load document.