ref #7849 Set allowOverride to true
do not save cdm preference which are not changed
use NewTaxEditorInstance for CdmPreferences in TaxEditor and fix representation handling in namerelationType combobox
ref #7793: add preference for show taxonnode wizard
ref #7793: add preference to set checklist perspective as default
ref #7793: add DB preferences to hide specimen and import issues and smaller changes in db preferences
some changes for the admin preferences