...and when lector has already been assigned to a course.
Only addressing Studiengaenge that are concerned by Zeitwunsch change
of lector.
LV must be assigned in the selected Studiensemester, but not in the past
Major adaptation in GUI:
- Added Dropdown to select actual / next Studiensemester to edit Zeitwunsch
- Added Radiobuttons to allow changing or copying from earlier Studiensemester
- By selecting an earlier Studiensemester, the earlier Zeitwunsch is displayed in
the table and is ready to edit or just to save.