Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  7a1390a897e5f46fa15e1e088524ec9398d9ddbc

Tweak and bug fix to modified tipsy and diff link

1. The modified icon should not display when a topic is hidden

2. The modified icon should not display when the only change is status change

3. The diff link should not display if there is no content change other than status change

Bug: 59629

Change-Id: I58230f94147464caa98e3a2fab3a1c64b56a9fde