message: Avoid health check for node with unknown namespace
  prevent unnecessary check and console log error
diff: @@ -594,7 +594,9 @@ export class CytoscapeGraph extends React.Component<CytoscapeGraphProps, Cytosca
  return;
  }
  const namespace = ele.data(CyNode.namespace);
  - const nodeType = ele.data(CyNode.nodeType);
  + const namespaceOk = namespace && namespace !== '' && namespace !== 'unknown';
  + // incomplete telemetry can result in an unknown namespace, if so set nodeType UNKNOWN
  + const nodeType = namespaceOk ? ele.data(CyNode.nodeType) : NodeType.UNKNOWN;
  const workload = ele.data(CyNode.workload);
  const workloadOk = workload && workload !== '' && workload !== 'unknown';
  // use workload health when workload is set and valid (workload nodes or versionApp nodes)
  