* Implement using keymap for member
* Remove current usages of GetUserById
* User userId resolver to resolve user key
* Refactor user repository to use GUID not int
* Add happy path test
* Remove user in cache when user gets updated
* Use await in async method
* Fix up according to review
* Update IMetricsConsentService.cs to have async method
* Fix according to review
* Fix more according to comments
* Revert "Fix up according to review"
This reverts commit a75acaaa
* Get current backoffice user from method
* Update user repository delete functionality
* Fix up more test
* Try to get user by id if key fails
* Add user key as required claim
* Fix tests
* Don't set claim in BackofficeController
* Create constant for the Sub claim
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Co-authored-by: kjac <kja@umbraco.dk>
