Fix batch actions (#1028)
Fix batch actions (#1028)

The `projects` parameter can also be a QuerySet.
mozilla/pontoon,mathjazz/pontoon,mozilla/pontoon,mathjazz/pontoon,jotes/pontoon,mozilla/pontoon,jotes/pontoon,jotes/pontoon,mozilla/pontoon,mathjazz/pontoon,mathjazz/pontoon,jotes/pontoon,mozilla/pontoon,mathjazz/pontoon