ephemeral attributes to feature panels

feat: add queried concept
feat: added back btn to child feat (to compound feat)
bugfix: dismiss plot when new feature is selected

fix: annotation mode

fix: gracefully handles when saneurl is not present

Refactor: streamlining viewercmp

refactor: reworked mouseover module
refactor: (dedup) moved click interceptor from nehuba/threesurfer to their common parent
refactor: move mouseover & viewer wrapper from viewercmp to two child components

experimental: region side panel

feat: allow experimental flag to be set at deploy time via env var
maint: update charts

fix: docker image hash to git hash

expmpt: add additional coordinate space

maint: helm deploy

feat: on hover compound feature point indices, show mouse over prompt

maint: rc deploy on rancher

feat: preview compound feature point indices, rework compound feature

feat: preview compound feature point indices
maint: helm: update config, chart, and env
maint: make test less flaky
maint: minor fix Annotation layer
maint: more context when browser does not meet requirement

maint: allow spatial transform to be configured at runtime

bugfix: allow copy of text

feat: copy multi selected region name

feat: coord edit dialog, on paste, auto parse

maint: remove jsc in ci/cd

feat: reworked point assignment UI