Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  28a0b85ebed235ef4457a1dd243838c78210f204

(bug 61939) Topic-titles not displaying in some topics (disappearing?)

This will make sure results where content failed to be retrieved from
externalstore are filtered out.
Other than just displaying data that failed to load properly, this
data would also be cached. We don't want that ;)

Bug: 61939
Change-Id: Idbd223f1be72f8d207d707d9807e732a8c7b971a