rename dialog event  re #4220

git-svn-id: svn://develop.studip.de/studip/trunk@30681 c5b85792-5220-0410-ad23-ed5b6b8ad999
fixes #4436

use correct course

git-svn-id: svn://develop.studip.de/studip/trunk@30682 c5b85792-5220-0410-ad23-ed5b6b8ad999