Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  a9c6aa750c460ac2a0aa77900b0e6a30504d807a

(bug 71584) Fetch title content from API

We shouldn't rely on the data in the HTML. For starters, it was
wrong in this case (truncated), but it can also be stale (having
been updated by the time you want to edit it)

Just like posts, headers, summaries, ..., we should fetch the
content from API.

Bug: 71584
Change-Id: I007ee17cec615586cbc66671b16f284bad3e6f1c