Add support custom namespace for connect deployment

Now when the operator is deployed with the `MANAGE_CONNECT` env var set to true, the connect instance is deployed in the same namespace as the operator.

cmd/manager/main.go

@@ -85,6 +85,12 @@ func main() {
 
 	namespace := os.Getenv(k8sutil.WatchNamespaceEnvVar)
 
+	deploymentNamespace, err := k8sutil.GetOperatorNamespace()
+	if err != nil {
+		log.Error(err, "Failed to get namespace")
+		os.Exit(1)
+	}
+
 	// Get a config to talk to the apiserver
 	cfg, err := config.GetConfig()
 	if err != nil {
@@ -135,7 +141,7 @@ func main() {
 		go func() {
 			connectStarted := false
 			for connectStarted == false {
-				err := op.SetupConnect(mgr.GetClient())
+				err := op.SetupConnect(mgr.GetClient(), deploymentNamespace)
 				// Cache Not Started is an acceptable error. Retry until cache is started.
 				if err != nil && !errors.Is(err, &cache.ErrCacheNotStarted{}) {
 					log.Error(err, "")