UI for scheduling batch scripts (#31885)

# Details

This PR merges the feature branch for the scheduled scripts UI into
main. This includes the following previously-approved PRs:

* https://github.com/fleetdm/fleet/pull/31750
* https://github.com/fleetdm/fleet/pull/31604
* https://github.com/fleetdm/fleet/pull/31797


# Checklist for submitter

If some of the following don't apply, delete the relevant line.

- [X] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.

## Testing

- [X] Added/updated automated tests
- [X] Where appropriate, [automated tests simulate multiple hosts and
test for host
isolation](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/reference/patterns-backend.md#unit-testing)
(updates to one hosts's records do not affect another)

- [X] QA'd all new/changed functionality manually

---------

Co-authored-by: jacobshandling <61553566+jacobshandling@users.noreply.github.com>
Co-authored-by: Jacob Shandling <jacob@fleetdm.com>

frontend/components/HumanTimeDiffWithDateTip/HumanTimeDiffWithDateTip.tsx

@@ -62,8 +62,13 @@ export const HumanTimeDiffWithDateTip = ({
  * that the timeString is before the launch date of Fleet */
 export const HumanTimeDiffWithFleetLaunchCutoff = ({
   timeString,
+  tooltipPosition = "top",
 }: IHumanTimeDiffWithDateTip): JSX.Element => {
   return (
-    <HumanTimeDiffWithDateTip timeString={timeString} cutoffBeforeFleetLaunch />
+    <HumanTimeDiffWithDateTip
+      timeString={timeString}
+      tooltipPosition={tooltipPosition}
+      cutoffBeforeFleetLaunch
+    />
   );
 };