Add labels to the metadata of the statefulsets created by the operator (#1457)

* Add labels to the metadata of the statefulsets created by the operator

* add tests to transfer labels to statefulsets

* fix unit tests

Author: rlieberman-splunk

pkg/splunk/common/urls_testingcode.go

@@ -648,6 +648,7 @@ func getSplunkStatefulSet(ctx context.Context, client splcommon.ControllerClient
 			ObjectMeta: metav1.ObjectMeta{
 				Name:      GetSplunkStatefulsetName(instanceType, cr.GetName()),
 				Namespace: cr.GetNamespace(),
+				Labels:    labels,
 			},
 		}
 	}