When editing a Content Item with ezcontentquery field in AdminUI the name of the field is not displayed, text Ezcontentquery is visible instead.

Steps to reproduce:

1. Login as admin
2. Go to Admin -> Content Types
3. Go to "Content" Content Type Group
4. Start creating a new Content Type
5. Fill Name, identifier etc.
6. Add new Field Definition: Content query and set the details: id: content_query, name: MyContentQueryName, Query type: media subtree, Returned type: folder
7. Go to Content -> Content Structure
8. Start creating a new Content Item of created Content Type

Expected:

In Edit view the Field is named "MyContentQueryName"

Actual:

In Edit view the Field is named "Ezcontentquery"