* Clean up authenticator
* Cleanup authorizers and replace org_id and stack_id with namespace authorizer
* Remove dependency on org service
* Extract orgID from /apis/ urls and validate stack id
* Unexport store and create new constructor function
* Add ResourceAuthorizer and LegacyAccessClient
* Configure checks for user store
* List with checks if AccessClient is configured
* Allow system user service account to read all users
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Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>