Updated mediawiki/extensions
Project: mediawiki/extensions/ContentTranslation  69715cefb29b48a03e52b5a5562cce9110b61920

If the source title is not given do not load unnecessary js

In such cases we just need the translation selector.
Since header module is required anyway, load it, but prevent showing
the "Publish" button. Show it when progress module is loaded

Change-Id: Ib11a89b14fea59b4bafb7d30bf7b6bf382fddced