* Updating everything except the license headers themselves * Applying ESLint rules * Manually replacing the stragglers
* add legacy prefix for es client exposed via request handler context * update src/plugins * update core mocks and tests * update test plugins * update xpack plugins * include x-pack/mocks.ts * update after master merge * update docs Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>