doc: fix doc tags

development/issues/open/251.html

development/issues/open/251.mjs

example/components/form/select.mjs

example/data/pathfinder-1.mjs

example/data/pathfinder-2.mjs

example/data/pipe.mjs

example/data/transformer.mjs

source/components/content/copy.mjs

source/components/datatable/change-button.mjs

source/components/datatable/columnbar.mjs

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/datatable.mjs

source/components/datatable/datatable/header.mjs

source/components/datatable/embedded-pagination.mjs

source/components/datatable/filter-button.mjs

source/components/datatable/filter.mjs

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