permission: fix user with org viewer save/move permissions

User with org viewer role should not be able to save/move dashboards
in/to general folder.

pkg/services/dashboards/folder_service_test.go

@@ -32,6 +32,7 @@ func TestFolderService(t *testing.T) {
 			})
 
 			bus.AddHandler("test", func(cmd *models.ValidateDashboardBeforeSaveCommand) error {
+				cmd.Result = &models.ValidateDashboardBeforeSaveResult{}
 				return models.ErrDashboardUpdateAccessDenied
 			})
 
@@ -92,6 +93,7 @@ func TestFolderService(t *testing.T) {
 			})
 
 			bus.AddHandler("test", func(cmd *models.ValidateDashboardBeforeSaveCommand) error {
+				cmd.Result = &models.ValidateDashboardBeforeSaveResult{}
 				return nil
 			})