Description of problem:
In some cases, the "translated x words finishing on y" was not accurate, "y" not being the last translated item.

Version-Release number of selected component (if applicable):
3.0

How reproducible:
Moderate

Steps to Reproduce:
1. Log in as maintainer/translator.
2. Open up one tab as dashboard, one tab as a document to be translated
3. Translate an item in a document, refresh the dashboard tab
4. Shows the item last translated
5. Translate another item in the same document
6. Refresh the dashboard tab

Actual results:
Item previously translated shows in the activity list

Expected results:
Last item translated shows in the activity list

Additional info: