Change featured hashtags to be displayed in navigation panel (#19382)

app/javascript/mastodon/features/account/navigation.js

@@ -0,0 +1,51 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { connect } from 'react-redux';
+import FeaturedTags from 'mastodon/features/account/containers/featured_tags_container';
+
+const mapStateToProps = (state, { match: { params: { acct } } }) => {
+  const accountId = state.getIn(['accounts_map', acct]);
+
+  if (!accountId) {
+    return {
+      isLoading: true,
+    };
+  }
+
+  return {
+    accountId,
+    isLoading: false,
+  };
+};
+
+export default @connect(mapStateToProps)
+class AccountNavigation extends React.PureComponent {
+
+  static propTypes = {
+    match: PropTypes.shape({
+      params: PropTypes.shape({
+        acct: PropTypes.string,
+        tagged: PropTypes.string,
+      }).isRequired,
+    }).isRequired,
+
+    accountId: PropTypes.string,
+    isLoading: PropTypes.bool,
+  };
+
+  render () {
+    const { accountId, isLoading, match: { params: { tagged } } } = this.props;
+
+    if (isLoading) {
+      return null;
+    }
+
+    return (
+      <>
+        <div className='flex-spacer' />
+        <FeaturedTags accountId={accountId} tagged={tagged} />
+      </>
+    );
+  }
+
+}