kubernetes: Look at response status as well as code

Some kubernetes endpoints aren't returning proper json
responses for 403s. So look at the response status for
codes as well.

Closes #7715 
Reviewed-by: Stef Walter <stefw@redhat.com>

pkg/kubernetes/scripts/kube-client.js

@@ -1230,9 +1230,12 @@
                             step();
                         }, function(response) {
                             var resp = response.data;
+                            var code = response.status;
+                            if (resp && resp.code)
+                                code = resp.code;
 
                             /* Ignore failures creating the namespace if it already exists */
-                            if (resource.kind == "Namespace" && resp && (resp.code === 409 || resp.code === 403)) {
+                            if (resource.kind == "Namespace" && (code === 409 || code === 403)) {
                                 debug("skipping namespace creation");
                                 step();
                             } else {