Description of problem:
If -
- the language the user is interested in is already displayed (not in unloaded pagination), and
- the user does not refresh the page

the statistics for a language after copytrans completes is not updated

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

How reproducible:
Easy always

Steps to Reproduce:
1. Create a project, and project version
2. Upload a document to that version
3. In the same project create a second version and add the same document
4. in version 1, translate the document in any language
5. go to version 2 and look at the stats of the document (should be 0.0%)
6. press settings, translation
7. press Copy Translations
8. Press the languages tab

Actual results:
The document shows as 0.0%

Expected results:
The document shows as 100.0% (assuming wholly translated)

Additional info: