Resolve "Users can add posts to ambassador boards as well"
What does this MR do?
- check user permissions in RegionXhr->quickreply() as in ForumRestController->createPostAction()
- fix exception if request have no "msg"-Attribute in WallPostXhr->quickreply()
How confident are you it won't break things if deployed?
very, there are not many changes
Links to related issues
- added a test, or explain why one is not needed/possible...
- no unrelated changes
- asked someone for a code review
- joined #foodsharing-beta channel at https://slackin.yunity.org
- added an entry to CHANGELOG.md (description, merge request link, username(s))