ui changes following meeting

chore: remove unused style
chore: moved bigbrain cyto map to default parcellation
chore: temporarily disabled viewer pref
chore: change preview file message from dialog to snackbar
chore: added some message for no preview file available
chore: allow undo for pinning/unpinning dataset
chore: moved pinned dataset fab from bottom right to top right
chore: typo Setting -> Settings
feat: minimified layer browser
chore: remoevd Esc remove extra layers

bugfixes on directives, ui fixes

chore: ui fixes
chore: remove unused ui
bugfix on directives

Feat/databrowser ui

chore: dialog in condensed region select

chore: small bug fixes

feat: preserve filter selection

chore: move to ROI during preview

chore: remove console

feat: modified waxholm root node

chore: reworking data browser ui

allow extra layer dialog to be dismissed

chore: allow extra layer dialog to be dismissed
chore: added short cut o remove extra layers

bugfix + chore

instead of segment name

chore: remove unused fn

bugfix: charts

bugfix: fixing chart expressionchangedafterchanged

chore: responsive chart

chore: preview from fav dataest

bugfix: broken post stamp links

bugfix: aot build

major fix for charts

chore: supplemented radial chart - dl csv
chore: responsive charts
chore: streamlined charts url etc
bugfix: update preview component - avoid race condition
bugfix: only show preview when preview is available
chore: simplify fav dataset botttomsheet

bugfix: broken link images

bugfix: file preview decoding content

feat: minor ui improve on modality filter

feat: update server logic on dataset fetch