Unistore: Avoid circular dependency when injecting restcfgprovider into FolderSvc (#99295)

* Avoid circular dependency when getting a restCfgProvider for Folder Svc

Signed-off-by: Maicon Costa <maiconscosta@gmail.com>

---------

Signed-off-by: Maicon Costa <maiconscosta@gmail.com>

pkg/services/folder/folderimpl/folder_unifiedstorage_test.go

@@ -11,6 +11,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
+	clientrest "k8s.io/client-go/rest"
 
 	"github.com/grafana/grafana/pkg/apimachinery/identity"
 	"github.com/grafana/grafana/pkg/apis/folder/v0alpha1"
@@ -22,6 +23,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/accesscontrol"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/acimpl"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/actest"
+	"github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
 	"github.com/grafana/grafana/pkg/services/dashboards"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/folder"
@@ -31,6 +33,16 @@ import (
 	"github.com/grafana/grafana/pkg/services/user"
 )
 
+type rcp struct {
+	Host string
+}
+
+func (r rcp) GetRestConfig(ctx context.Context) *clientrest.Config {
+	return &clientrest.Config{
+		Host: r.Host,
+	}
+}
+
 func TestIntegrationFolderServiceViaUnifiedStorage(t *testing.T) {
 	if testing.Short() {
 		t.Skip("skipping integration test")
@@ -147,7 +159,18 @@ func TestIntegrationFolderServiceViaUnifiedStorage(t *testing.T) {
 	db, cfg := sqlstore.InitTestDB(t)
 	cfg.AppURL = folderApiServerMock.URL
 
-	unifiedStore := ProvideUnifiedStore(cfg)
+	restCfgProvider := rcp{
+		Host: folderApiServerMock.URL,
+	}
+
+	k8sHandler := &foldk8sHandler{
+		gvr:                v0alpha1.FolderResourceInfo.GroupVersionResource(),
+		namespacer:         request.GetNamespaceMapper(cfg),
+		cfg:                cfg,
+		restConfigProvider: restCfgProvider.GetRestConfig,
+	}
+
+	unifiedStore := ProvideUnifiedStore(k8sHandler)
 
 	ctx := context.Background()
 	usr := &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{