* Applying [ApiController] to ManagementApiControllerBase and the rest derive it from it
* Removing [ApiController] from deriving controllers
* Removing [ApiVersion("1.0")] from controller base
* Cleanup
* [ApiController] from deriving DeliveryApiControllerBase controller
* Removed the "New" from all policy names now that the legacy backoffice is gone.
* more policy renaming
* more policy renaming
* Uncommenting tests
* Cleanup
* Removing unused policy names
* Renaming AdminUserEditsRequireAdmin to a more meaningful UserPermissionByResource
* Completing TODO and some alphabetical rearranging
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Co-authored-by: Elitsa <elm@umbraco.dk>
