fixes #681
relevant #682

fixes #680
also relevant: #682

chore: partial fix for e2e regional dataset query

bugfix: e2e non atlas volumes
chore: misc fixes

feat: interactiveViewer.viewerHandle.mouseOverNehubaUI now allows ...
... customLandmarks enter/leave state to be monitored

* feat: use region related components inherit randomized colour
bugfix: Explore btn text colour
chore: reworked threshold for triggering darkmode

* feat: reworked contributor name display

* chore: use short name for version selector

* chore: update help page info

* RF connectivity component

* fix lint

* fix: tests

* bugfix: on region deselect
bugfix: on parc change

bugfix: change parc should dismiss version menu
chore: minor ui tweaks: overlapping chips
chore: Explore btn now match style to region
chore: remove unused imports

* feat: added version selector
chore: updated aot build

* chore: remove unnecessary prop

* Show connectivity on expand accordion

* [skip ci] remove comments

Co-authored-by: xgui3783 <xgui3783@gmail.com>

* bugfix: dataset prv endpoint v2
bugfix: typo

* feat: always show pmap, dismiss on demand

* bugfix: clicking on chip does not propagate ev
chore: added tooltip on accordion
chore: updated bigbrain parc names
chore: centering atlas layer selector
bugfix: side drawer always open on region update
feat: context aware side drawer panel

* fix test