message: update ghost CSV icon
diff: @@ -523,7 +523,7 @@ class SettingsPage extends React.Component<Props, State> {
  disabled={!storesLoaded}
  title="Download Csv"
  >
  - <i className="fa fa-table" /> <span>{t('Bucket.Ghost')}</span>
  + <AppIcon icon={spreadsheetIcon} /> <span>{t('Bucket.Ghost')}</span>
  </button>
  </div>
  </section>
  