fix(toolbar): scope spacing to toolbars

[rdlabo]

Summary

• scope toolbar button spacing directly to enabled iOS toolbars
• preserve the iOS mode guard when applying theme margins
• reset nested back-button margins for the normal ion-buttons structure

Verification

• npx prettier --check src/styles/components/ion-toolbar.scss
• npm run build
• npm run lint (blocked by the existing generated demo/playwright-report/index.html formatting issue)

[github-actions]

Playwright test results

 90 passed

Details

 90 tests across 2 suites
 1 minute, 52 seconds
 d91f676
 This detailed result covers Ionic 9 only. Ionic 8 runs against the same screenshots in a separate matrix job; check the workflow run for both results. To update the screenshots, comment with /update-screenshots.

[github-actions]

📊 Ionic 9 Playwright Test Report

View the detailed Ionic 9 report: https://rdlabo-dev.github.io/ionic-theme-ios26/pr-138/

Ionic 8 runs against the same screenshots in a separate matrix job. View both results in the workflow run.

[github-actions]

📊 Ionic 9 Playwright Test Report

View the detailed Ionic 9 report: https://rdlabo-dev.github.io/ionic-theme-ios26/pr-138/

Ionic 8 runs against the same screenshots in a separate matrix job. View both results in the workflow run.

[rdlabo]

/update-screenshots

[github-actions]

❌ Failed to update screenshots.

Please check the workflow run for details.

[rdlabo]

/update-screenshots

[github-actions]

✅ Screenshots have been updated successfully!

The new screenshots have been committed to this PR.

[github-actions]

📊 Ionic 9 Playwright Test Report

View the detailed Ionic 9 report: https://rdlabo-dev.github.io/ionic-theme-ios26/pr-138/

Ionic 8 runs against the same screenshots in a separate matrix job. View both results in the workflow run.

[github-actions]

npm beta published

CI passed for the merge commit 86c06305408b. Install the immutable version with:

npm install @rdlabo/ionic-theme-ios26@9.1.0-beta.pr138.sha86c06305408b