Auth: use IdentityType from authlib (#91763)

pkg/services/authn/authntest/mock.go

@@ -3,6 +3,7 @@ package authntest
 import (
 	"context"
 
+	"github.com/grafana/authlib/claims"
 	"github.com/grafana/grafana/pkg/apimachinery/identity"
 	"github.com/grafana/grafana/pkg/models/usertoken"
 	"github.com/grafana/grafana/pkg/services/authn"
@@ -77,7 +78,7 @@ type MockClient struct {
 	PriorityFunc        func() uint
 	HookFunc            func(ctx context.Context, identity *authn.Identity, r *authn.Request) error
 	LogoutFunc          func(ctx context.Context, user identity.Requester) (*authn.Redirect, bool)
-	IdentityTypeFunc    func() identity.IdentityType
+	IdentityTypeFunc    func() claims.IdentityType
 	ResolveIdentityFunc func(ctx context.Context, orgID int64, namespaceID identity.TypedID) (*authn.Identity, error)
 }
 
@@ -127,11 +128,11 @@ func (m *MockClient) Logout(ctx context.Context, user identity.Requester) (*auth
 	return nil, false
 }
 
-func (m *MockClient) IdentityType() identity.IdentityType {
+func (m *MockClient) IdentityType() claims.IdentityType {
 	if m.IdentityTypeFunc != nil {
 		return m.IdentityTypeFunc()
 	}
-	return identity.TypeEmpty
+	return claims.TypeEmpty
 }
 
 // ResolveIdentity implements authn.IdentityResolverClient.