fix: datatable, datasource optimisation #272

development/issues/open/226.html

development/issues/open/272.html

development/issues/open/272.mjs

development/mock/issue-272.js

source/components/datatable/dataset.mjs

source/components/datatable/datasource.mjs

source/components/datatable/datasource/dom.mjs

source/components/datatable/datasource/rest.mjs

source/components/datatable/embedded-pagination.mjs

source/components/datatable/pagination.mjs

source/components/datatable/status.mjs

source/components/datatable/style/pagination.pcss

source/components/datatable/stylesheet/pagination.mjs

source/components/datatable/util.mjs

source/components/host/config-manager.mjs

source/data/datasource/server.mjs

source/data/datasource/server/restapi.mjs

source/dom/customelement.mjs

source/types/has.mjs