dialogs: disable button disabling for forms, re #4404

git-svn-id: svn://develop.studip.de/studip/trunk@32042 c5b85792-5220-0410-ad23-ed5b6b8ad999
dialogs: disable button disabling for forms, re #4404

git-svn-id: svn://develop.studip.de/studip/trunk@32043 c5b85792-5220-0410-ad23-ed5b6b8ad999
dialogs: remove disabling of buttons at all, re #4404

git-svn-id: svn://develop.studip.de/studip/trunk@32044 c5b85792-5220-0410-ad23-ed5b6b8ad999