message: fix(app): prettyprint cal check results
  Now that we're not showing the results data in the cal check summary
  screen anymore, it's more likely that users will want to look at the
  check report, so let's pretty print it so they can read it without
  putting it into an externnal formatter or something.
diff: @@ -66,7 +66,7 @@ export function ResultsSummary(props: CalibrationPanelProps): React.Node {
  instruments,
  savedAt: now.toISOString(),
  }
  - const data = new Blob([JSON.stringify(report)], {
  + const data = new Blob([JSON.stringify(report, null, 4)], {
  type: 'application/json',
  })
  saveAs(data, 'OT-2 Robot Calibration Check Report.json')
  