Fix SVG empty width and height

[rtomas]

Description

• Fix SVG empty width="" and height="" attribute errors when rendering Phosphor icons with size="inherit"
• Use Lit's ifDefined directive to omit the size attribute when undefined instead of rendering empty strings

Test plan

• Open a page with AppKit wallet connect modal
• Click on wallet connectors (MetaMask, WalletConnect, etc.)
• Open browser DevTools Console
• Verify no SVG attribute errors appear ( attribute width: Unexpected end of attribute)

🤖 Generated with https://claude.com/claude-code

Type of change

• Chore (non-breaking change that addresses non-functional tasks, maintenance, or code quality improvements)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Associated Issues

For Linear issues: Closes #5442
For GH issues: closes #5442

Showcase (Optional)

If there is a UI change include the screenshots with before and after state.
If new feature is being introduced, include the link to demo recording.

Checklist

• Code in this PR is covered by automated tests (Unit tests, E2E tests)
• My changes generate no new warnings
• [] I have reviewed my own code
• I have filled out all required sections
• I have tested my changes on the preview link
• Approver of this PR confirms that the changes are tested on the preview link

[changeset-bot]

⚠️ No Changeset found

Latest commit: 0116484

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Project	Deployment	Review	Updated (UTC)
appkit-basic-html	Ready	Preview, Comment	Jan 16, 2026 6:18pm
appkit-demo	Ready	Preview, Comment	Jan 16, 2026 6:18pm
appkit-gallery	Ready	Preview, Comment	Jan 16, 2026 6:18pm
appkit-headless-sample-app	Ready	Preview, Comment	Jan 16, 2026 6:18pm
appkit-laboratory	Ready	Preview, Comment	Jan 16, 2026 6:18pm

10 Skipped Deployments

Project	Deployment	Review	Updated (UTC)
appkit-basic-example	Ignored		Jan 16, 2026 6:18pm
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appkit-basic-up-example	Ignored		Jan 16, 2026 6:18pm
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vue-wagmi-example	Ignored		Jan 16, 2026 6:18pm

[github-actions]

Visual Regression Test Results ✅ Passed

⚠️ 15 visual change(s) detected

Chromatic Build: https://www.chromatic.com/build?appId=6493191bf4b10fed8ca7353f&number=677
Storybook Preview: https://6493191bf4b10fed8ca7353f-bazpnqiebo.chromatic.com/

👉 Please review the visual changes in Chromatic and accept or reject them.

[github-actions]

📦 Bundle Size Check

✅ All bundles are within size limits

📊 View detailed bundle sizes

> @reown/appkit-monorepo@1.7.1 size /home/runner/work/appkit/appkit

> size-limit

@reown/appkit - Main Entry
Size limit:   80 kB
Size:         75.25 kB with all dependencies, minified and gzipped
Loading time: 1.5 s    on slow 3G
Running time: 440 ms   on Snapdragon 410
Total time:   2 s
@reown/appkit/react
Size limit:   235 kB
Size:         233.1 kB with all dependencies, minified and gzipped
Loading time: 4.6 s    on slow 3G
Running time: 943 ms   on Snapdragon 410
Total time:   5.5 s
@reown/appkit/vue
Size limit:   80 kB
Size:         75.25 kB with all dependencies, minified and gzipped
Loading time: 1.5 s    on slow 3G
Running time: 324 ms   on Snapdragon 410
Total time:   1.8 s
@reown/appkit-scaffold-ui
Size limit:   220 kB
Size:         213.13 kB with all dependencies, minified and gzipped
Loading time: 4.2 s     on slow 3G
Running time: 756 ms    on Snapdragon 410
Total time:   5 s
@reown/appkit-ui
Size limit:   500 kB
Size:         13.16 kB with all dependencies, minified and gzipped
Loading time: 258 ms   on slow 3G
Running time: 145 ms   on Snapdragon 410
Total time:   402 ms

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	78.65%	39404 / 50100
🔵	Statements	78.65%	39404 / 50100
🔵	Functions	76.32%	4246 / 5563
🔵	Branches	86.71%	9576 / 11043

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
packages/ui/src/components/wui-icon/index.ts	100%	100%	77.14%	100%

Generated in workflow #16734 for commit 0116484 by the Vitest Coverage Report Action

[rtomas]

New one

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