Chore: Remove use of deprecated method in AC code (#87541)

* switch from using cfg to using featuremgmt for checking a feature toggle in AC code

* merge test fixes

pkg/services/ldap/api/service_test.go

@@ -16,6 +16,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/accesscontrol/acimpl"
 	"github.com/grafana/grafana/pkg/services/auth/authtest"
 	"github.com/grafana/grafana/pkg/services/authn/authntest"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/ldap"
 	"github.com/grafana/grafana/pkg/services/ldap/multildap"
 	"github.com/grafana/grafana/pkg/services/ldap/service"
@@ -65,7 +66,7 @@ func setupAPITest(t *testing.T, opts ...func(a *Service)) (*Service, *webtest.Se
 
 	a := ProvideService(cfg,
 		router,
-		acimpl.ProvideAccessControl(cfg),
+		acimpl.ProvideAccessControl(featuremgmt.WithFeatures()),
 		usertest.NewUserServiceFake(),
 		&authinfotest.FakeService{},
 		ldap.ProvideGroupsService(),