[7.x] [SIEMDPOINT] Move endpoint to siem (elastic#66907) (elastic#67035)

* [SIEMDPOINT] Move endpoint to siem (elastic#66907)

* adds the stuff

* keeps moving stuff

* finishes moving the stuff

* moves tests

* fix type

* try moving it all at once. BROKEN

* move endpoint to siem

* fix package coming from endpoint

* missing scripts + change url

* fix eslint

* temporary disable functional testing for endpoint

* fix api integration types

* allow api integration test + comment functional test

* fix internationalization

* fix internationalization II

* fix jest test

* fix x-pack test

* fix i18n

* fix api integration

* fix circular dependency

* add new dependency to cypress test

Co-authored-by: Davis Plumlee <davis.plumlee@elastic.co>
Co-authored-by: oatkiller <robert.austin@elastic.co>
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

* miss import in cherry-pick

Co-authored-by: Davis Plumlee <davis.plumlee@elastic.co>
Co-authored-by: oatkiller <robert.austin@elastic.co>
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>