An article created using utf8 character does not appear correctly in sub-items section on the admin2 interface, it is displayed as null.

Steps to reproduce

Create an artilce

1. Login as admin to ez_flow interface
2. Create a folder named “News”
3. Click on the "News" folder
4. Create an article with the following data

Title: Blåbærsyltetøy-med-d'or-新闻军事社会体育中超

Summary: This is an utf8 test

4. View the article and make sure that title is well rendered
5. Click on the title
6. Verify that the article is shown and the URL is correct
7. Login to the ezflow_site_admin interface
8. Verify that the article name is well rendered in the sub-item list

The article name is rendered as null