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/dashboard_service_test.go

@@ -51,6 +51,7 @@ func TestDashboardService(t *testing.T) {
 				})
 
 				bus.AddHandler("test", func(cmd *models.ValidateDashboardBeforeSaveCommand) error {
+					cmd.Result = &models.ValidateDashboardBeforeSaveResult{}
 					return nil
 				})