EDIT

ref #7793: add preference to hide all specimen related issues

ref #7793: add preference to set checklist perspective as default

minor

ref #7793: add DB preferences to hide specimen and import issues and smaller changes in db preferences

fix NPE when no ABCD preference exist when opening preference dialog

ref #7063: better handling of preferences for distribution editor and other places

fix #7645: get the correct values from db for specimen admin preference page

fix #7645: get the correct values from db for specimen admin preference page

specimen admin prefs need to be saved

fix IoobE in Biocase Provider Preference dialog