EDIT

ref #7912 Fix selection states in checkbox viewer

ref #7912 Add toolbar to checkbox viewer + visualize selection state

missed in last commit

ref #7849: do not save preferences if page was not edited

ref #7849: harmonize admin and local preferences for distribution editor and use drop down instead of radio buttons

ref #7911: fix wrong order index of columns in distribution editor when changing areas

Revert "Revert "ref #7849: move general db preferences to its own tab to avoid saving if not edited""

This reverts commit e78f3e6c944dd0630daef5ecfab96773a875c695.

Close matrix and descriptive data set editor when closing connection

code cleanup

Fix selection when creating new nodes