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/publicdashboards/api/common_test.go

@@ -55,7 +55,7 @@ func setupTestServer(
 	// build router to register routes
 	rr := routing.NewRouteRegister()
 
-	ac := acimpl.ProvideAccessControl(cfg)
+	ac := acimpl.ProvideAccessControl(featuremgmt.WithFeatures())
 
 	// build mux
 	m := web.New()