getGroup = (auditRef) => {
      return auditRef.id.endsWith('-insight') ? 'insights' : auditRef.group ?? '';
    }
This exists to temporarily allow showing insights - which are in the hidden
group by default - when using the insights toggle.
See https://github.com/GoogleChrome/lighthouse/pull/16418 for motivation.

@param {LH.ReportResult.AuditRef} auditRef