StEP0049: fix view and response, re #4484

git-svn-id: svn://develop.studip.de/studip/trunk@31037 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3768

adjust arrow in sidebar

git-svn-id: svn://develop.studip.de/studip/trunk@31038 c5b85792-5220-0410-ad23-ed5b6b8ad999