fix: update column selection #286 #266

development/config/import.mjs

development/issues/open/284.html

development/issues/open/284.mjs

development/issues/open/285.html

development/issues/open/285.mjs

development/mock/issue-284.js

development/mock/issue-285.js

flake.lock

package.json

pnpm-lock.yaml

source/components/content/copy.mjs

source/components/datatable/datatable.mjs

source/components/datatable/filter/date-range.mjs

source/components/datatable/style/column-bar.pcss

source/components/datatable/style/datatable.pcss

source/components/datatable/stylesheet/datatable.mjs

source/components/form/button-bar.mjs

source/components/form/popper-button.mjs

source/components/form/select.mjs

source/components/form/tree-select.mjs