Updated mediawiki/extensions
Project: mediawiki/extensions/ContentTranslation  df3fe7edbbd4eaf75dc47ae4a5e862fcfbed5831

Also fill above heading when clicking a placeholder

The heading is only filled if it contains no translation yet and
it is a preceeding parent header of the section just clicked.

Change-Id: Ib6012d7bfa0fc8f12c82e64256fe02a12267d16c