fix annotation layer

chore: abstractify annotation service
bugfix: sapi region -> getFeatures now includes spatial feat
bugfix:  ieeg now sort by dataset
chore: udpate sapi schema
chore: move splashscreen to sapiviews/core/atlas
feat: added ieeg rich dataset support
chore: abstractify tree control
bugfix: race condition in encoding state in url
chore: added hooks when atlas/tmpl/parc changes
chore: remove unused var/methods
chore: updated get sapi schema script

feat: reenabled url encoding of viewer state
feat: make http priority interceptor work
chore: unified how ng layers are retrieved
bugfix: on maximise/cycle nehuba view, redraw

refactor: reworked route state conversion

refactor: refactor parcellation version traverse
feat: region.directive navigate to
refactor: remove unused interface & functions
refactor: complete remove old store
refactor: nehubaViewer ready state refactored
feat: added region chip

wip: migrate/remove src/service/

bugfix: router will now consider custom route
chore: do not unnecessarily set oct removal flag

refactor: annotation module
fix: remove references to aria-invalid

This reverts commit caf0b630.

This reverts commit d0d12c0a, reversing
changes made to 059002ea.

WIP fixing tests

chore: fix e2e

bugfix: properly find parcellation