K8s/IAM: Move identity.grafana.app to iam.grafana.app (#92929)

pkg/registry/apis/iam/legacy/testdata/sqlite--users_query-users_uid.sql

@@ -0,0 +1,8 @@
+SELECT o.org_id, u.id, u.uid, u.login, u.email, u.name,
+  u.created, u.updated, u.is_service_account, u.is_disabled, u.is_admin
+  FROM "grafana"."user" as u JOIN "grafana"."org_user" as o ON u.id = o.user_id
+ WHERE o.org_id = 0
+   AND u.is_service_account = FALSE
+   AND u.uid = 'abc'
+ ORDER BY u.id asc
+ LIMIT 1