**Preconditions**

- Firefox 24 used.
- Work package module activated.

**Steps to reproduce**

1. Go to project and open details pane.
2. Look at attributes which are displayed by default. -\> Error 1
3. Expand attributes.
4. Look at expanded attributes. -\> Error 2

**Actual behavior**

- Error 1: Only three attributes displayed (instead of 6)
- Error 2: Only six attributes displayed in total (instead of correct number (in example: 13))

**Expected behavior**

- Correct behavior as in modern browser.

**Screenshots**

**QA system**

- Firefox 24 used.
- enterprise-dev.qa.finn.de
- openproject-org.qa.finn.de
- OpenProject 4.0.0 Begin of the deletion
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