* Refactor identity struct to store type in separate field
* Update ResolveIdentity to take string representation of typedID
* Add IsIdentityType to requester interface
* Use IsIdentityType from interface
* Remove usage of TypedID
* Remote typedID struct
* fix GetInternalID
* Remove different constructors and only use NewNamespaceID
* AdminUser: check typed namespace id
* Identity: Add convinient function to parse valid user id when type is either user or service account
* Annotations: Use typed namespace id instead
* Add email and email_verified to id token if identity is a user
* Add endpoint to trigger email verification for user
* Add function to clear stored id tokens and use it when email verification is completed
* Update template names
* Add verifier that we can use to start verify process
* Use userVerifier when verifying email on update
* Add tests
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Co-authored-by: Ieva <ieva.vasiljeva@grafana.com>
