Merge pull request #33358 from backstage/charlesdedreuille/bacui-42-code-listboxlistrow-component

feat(ui): add List and ListRow components

.changeset/add-listbox-component.md

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+---
+'@backstage/ui': patch
+---
+
+Added `List` and `ListRow` components. These provide a standalone, accessible list of interactive rows built on top of React Aria's `GridList` and `GridListItem` primitives. Rows support icons, descriptions, actions, menus, and single or multiple selection modes.
+
+**Affected components:** List, ListRow

.changeset/fix-focus-visible-data-attr.md

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+---
+'@backstage/ui': patch
+---
+
+Fixed focus ring styles to use React Aria's `[data-focus-visible]` data attribute instead of the native CSS `:focus-visible` pseudo-class. This ensures keyboard focus rings render reliably when focus is managed programmatically by React Aria (e.g. inside a GridList, Menu, or Select).
+
+**Affected components:** Accordion, Button, ButtonIcon, ButtonLink, Card, List, Menu, Select, ToggleButtonGroup