Users: Use Remote Cache for storing signed in users [v9.3.x] (#59883) (#59934)

* FeatureToggle: for storing signed in user object in a Remote Cache (#59883)

Co-authored-by: ievaVasiljeva <ieva.vasiljeva@grafana.com>

pkg/services/user/userimpl/user_test.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/grafana/grafana/pkg/infra/localcache"
 	"github.com/grafana/grafana/pkg/models/roletype"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/org"
 	"github.com/grafana/grafana/pkg/services/org/orgtest"
 	"github.com/grafana/grafana/pkg/services/team/teamtest"
@@ -24,6 +25,7 @@ func TestUserService(t *testing.T) {
 		store:        userStore,
 		orgService:   orgService,
 		cacheService: localcache.ProvideService(),
+		features:     featuremgmt.WithFeatures(),
 	}
 
 	t.Run("create user", func(t *testing.T) {
@@ -102,6 +104,7 @@ func TestUserService(t *testing.T) {
 			orgService:   orgService,
 			cacheService: localcache.ProvideService(),
 			teamService:  teamtest.NewFakeService(),
+			features:     featuremgmt.WithFeatures(),
 		}
 		usr := &user.SignedInUser{
 			OrgID:       1,