message: Cluster Settings: Updated Channel helper text and links
diff: import * as React from 'react';
  import * as _ from 'lodash-es';
  import { Helmet } from 'react-helmet';
  -import { Button, Tooltip } from '@patternfly/react-core';
  +import { Button, Popover, Tooltip } from '@patternfly/react-core';
  import { Link } from 'react-router-dom';
  import {
  @@ -222,6 +222,31 @@ export const CurrentVersionHeader: React.SFC<CurrentVersionProps> = ({ cv }) =>
  );
  };
  +const ChannelHeader: React.FC<{}> = () => {
  + return (
  + <Popover
  + headerContent={<>Channel</>}
  + bodyContent={
  + <>
  + <p>
  + Channels help to control the pace of updates and recommend the appropriate release
  + versions. Update channels are tied to a minor version of OpenShift Container Platform,
  + for example 4.5
  + </p>
  + <ExternalLink
  + href="https://docs.openshift.com/container-platform/latest/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor"
  + text="Learn more about OpenShift update channels"
  + />
  + </>
  + }
  + >
  + <Button variant="plain" className="co-m-pane__details-popover-button">
  + Channel
  + </Button>
  + </Popover>
  + );
  +};
  +
  export const ClusterVersionDetailsTable: React.SFC<ClusterVersionDetailsTableProps> = ({
  obj: cv,
  autoscalers,
  @@ -259,7 +284,9 @@ export const ClusterVersionDetailsTable: React.SFC<ClusterVersionDetailsTablePro
  </dl>
  <div className="co-cluster-settings__row">
  <dl className="co-m-pane__details co-cluster-settings__details">
  - <dt>Channel</dt>
  + <dt>
  + <ChannelHeader />
  + </dt>
  <dd>
  <CurrentChannel cv={cv} />
  </dd>
  @@ -274,13 +301,15 @@ export const ClusterVersionDetailsTable: React.SFC<ClusterVersionDetailsTablePro
  </div>
  </div>
  <div className="co-m-pane__body-group">
  + <dl className="co-m-pane__details">
  {window.SERVER_FLAGS.branding !== 'okd' && window.SERVER_FLAGS.branding !== 'azure' && (
  - <p className="co-m-pane__explanation">
  - View this cluster and manage subscription settings in{' '}
  + <>
  + <dt>Subscription</dt>
  + <dd>
  <ExternalLink text="OpenShift Cluster Manager" href={getOCMLink(clusterID)} />.
  - </p>
  + </dd>
  + </>
  )}
  - <dl className="co-m-pane__details">
  <dt>Cluster ID</dt>
  <dd className="co-break-all co-select-to-copy" data-test-id="cv-details-table-cid">
  {clusterID}
  