EDIT

ref #7887 Adapt to service layer changes

ref #7887 code cleanup

ref #7887 Fix preference persisting (based on DTOs)

rename SHOW_NAME_IN_SOURCE to SHOW_NAMESPACE_IN_SOURCE in taxeditor

rename SHOW_NAME_IN_SOURCE to SHOW_NAMESPACE_IN_SOURCE in taxeditor

add empty first page for admin preferences

ref #7887 code cleanup

ref #7887 Catch potential preference initialization problem

ref #7887 Fix preference persisting (based on DTOs)

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

This reverts commit b123c0b7320fdddda7c26405b76be8db119f4445.