Added the possibility for moderators to change some room properties

Actions are:

• ✅ now editable for moderators
• ❌ only editable for creators

field	action	notes
name	✅
description	✅
closed	❌	I think this is only for administrators (currently no creator can change this in the frontend)
moderated	❌	Is always set to true in the frontend.
directSend	✅
threshold	✅
blacklist	✅
blacklistIsActive	✅
profanityFilter	✅
questionsBlocked	✅
tags	✅
tagCloudSettings	✅