message: Make namespace selector always render the same height. That prevents some silly styling bugs on the editor page.
diff: @@ -202,7 +202,7 @@ const NamespaceDropdown = connect(() => ({activeNamespace: getActiveNamespace()}
  const NamespaceSelector_ = props => {
  if (props.flags.OPENSHIFT === undefined) {
  // Wait until the flag is initialized.
  - return null;
  + return <div className="co-namespace-selector" />;
  }
  const model = getModel(props.flags.OPENSHIFT);
  