add border to eua empty state (#33457)

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

# 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] QA'd all new/changed functionality manually

## Media:
<img width="514" height="306" alt="image"
src="https://github.com/user-attachments/assets/8906d9a4-1c7a-4e63-a4e9-05374411489c"
/>

changes/32630-add-border-around-empty-state

@@ -0,0 +1 @@
+* Ensure product consistency by adding a border to the empty state of End User Authentication section

frontend/pages/ManageControlsPage/SetupExperience/cards/EndUserAuthentication/components/RequireEndUserAuth/_styles.scss

@@ -1,5 +1,9 @@
 .require-end-user-auth {
-  width: 100%;
+  
+  .empty-table__container {
+    @include tab-empty-state;
+  }
+
 
   &__required-message {
     margin-top: 0;