Updated mediawiki/extensions
Project: mediawiki/extensions/ArticleFeedbackv5  2b138ee06f744bd3099abe07d28cebf99d11de3a

api: Trim leading/trailing spaces from comments

https://de.wikipedia.org/wiki/Spezial:Artikelr%C3%BCckmeldungen_v5/Koala/04f88a25857b4259bf04842b2b775073
is a comments concisting of 4 spaces, no content.
This should've been considered hidden (because of no content)

Change-Id: Ia07b4701731c324ff3752b7595d9d21530c3b6e5