docs(many): fix default theme variables sections on component doc pages

[git-nandor]

INSTUI-5045

Summary

Fixes the "Default Theme Variables" section on docs pages. The build script now generates theme data for all themes, and components that reuse another component's tokens are correctly linked to their theme, allowing the docs to display the right theme variables.

Test plan

• Button, IconButton, CondensedButton, CloseButton — borrow BaseButton tokens via useTokensFrom
• Modal.Header, Modal.Body, Modal.Footer — child tabs of compound Modal
• Drilldown.Group — YAML frontmatter themeId: Options override
• CheckboxFacade, ToggleFacade — point to Checkbox / Toggle
• TreeBrowser.Button, TreeBrowser.Collection, TreeBrowser.Node — all share TreeBrowserTreeButton
• TopNavBar.Brand, TopNavBar.Item, TopNavBar.MenuItems, TopNavBar.ActionItems, TopNavBarDesktopLayout, TopNavBarSmallViewportLayout — borrow TopNavBarLayout
• NumberInput — functional component with useTokensFrom: 'TextInput' (manual themeId attachment)
• Menu.Separator — props-free child; theme section still renders
• Pagination.PageInput, SideNavBar.Item — borrowed-token edge cases

Co-Authored-By: 🤖 Claude

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[github-actions]

PR Preview Action v1.8.1
🚀 View preview at https://instructure.design/pr-preview/pr-2573/
Built to branch gh-pages at 2026-06-04 09:49 UTC. Preview will be ready when the GitHub Pages deployment is complete.

[github-actions]

Visual regression report

✅ No changes.

Status	Count
Unchanged	32
Changed	0
New	0
Removed	0

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_{Baselines come from the visual-baselines branch. They refresh on every merge to master.}

[ToMESSKa]

If I'm on v11.7 Alert and change from canvas (legacy) from to canvas-high-contrast (legacy) and back to canvas (legacy) the tokens do to change back to the canvas (legacy) tokens

[ToMESSKa]

CloseButton displayed only 4 tokens on v10 and v11.6 but now displays much more. Is that on purpose?

[ToMESSKa]

In v11.6 Modal.Body has one token in the canvas theme, but it does not have any tokens in the canvas-high-contrast theme?

[ToMESSKa]

In v11.6 Drilldown, the Drilldown tokens do to change when I change the theme from canvas to canvas-high-contrast. Also in Drilldown.Group, the tokens show undefined in the canvas-high-contrast theme.

[ToMESSKa]

In Checkbox, v11.7, the Checkbox and the CheckboxFacade tabs have the same tokens, while in v11.6 and v10, the Checkbox tab has only 3 tokens?

[ToMESSKa]

Pagination.PageInput has a 3 tokens displayed in v11.7, but it does not have any tokens displayed in v11.6.

[ToMESSKa]

@git-nandor see my comments above

[git-nandor]

CloseButton displayed only 4 tokens on v10 and v11.6 but now displays much more. Is that on purpose?

CloseButton/v1 exports its own generateComponentTheme, which contains only 4 tokens.
CloseButton/v2 receives the full 'BaseButton' token set because of @withStyleNew(generateStyle, 'BaseButton').

This may need a separate ticket, as it affects multiple components and there doesn't appear to be a straightforward fix.

[git-nandor]

In Checkbox, v11.7, the Checkbox and the CheckboxFacade tabs have the same tokens, while in v11.6 and v10, the Checkbox tab has only 3 tokens?

CheckboxFacade: --> @withStyleNew(generateStyle, 'Checkbox')
Same issue as with CloseButton

[git-nandor]

Pagination.PageInput has a 3 tokens displayed in v11.7, but it does not have any tokens displayed in v11.6.

Nice catch, thanks!
The bug was caused by the missing static PageInput property in v1.