Tooltips not always showing for full name (IdP) (#49116)

<!-- Add the related story/sub-task/bug number, like Resolves #123, or
remove if NA -->
**Related issue:** Resolves #48125

Side effect is that we will no longer show the "Connect IdP" tooltip.


https://github.com/user-attachments/assets/303836fb-a1c3-4d5e-9c2b-3fddd0dfb4d1


# 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.

- [x] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements), JS
inline code is prevented especially for url redirects, and untrusted
data interpolated into shell scripts/commands is validated against shell
metacharacters.
- [x] Timeouts are implemented and retries are limited to avoid infinite
loops
- [x] If paths of existing endpoints are modified without backwards
compatibility, checked the frontend/CLI for any necessary changes

## Testing

- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Bug Fixes**
* Resolved an issue in the device Details → Users area where tooltips
for a person’s full name and related IdP fields could fail to appear.
* Tooltips now render reliably and show the correct help text when
hovering the affected fields.

* **Tests**
* Expanded automated coverage to confirm tooltip visibility and the
displayed tooltip content for the user details card.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

changes/48125-tooltip-not-showing-idp

@@ -0,0 +1 @@
+- Fixed an issue where tooltips for full name did not always show.