refactor(buttons): replace btn-circle with btn-icon in tree-view

[dauriamarco]

Use square buttons instead of circle in the tree-view.

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[gemini-code-assist]

Summary of Changes

Hello @dauriamarco, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refactors the styling of the expand and collapse buttons in the tree-view component. The change updates the button class from btn-circle to btn-icon, ensuring that these interactive elements now display as square icons, which improves visual consistency across the application's UI.

Highlights

• Button Styling Refactor: The btn-circle CSS class has been replaced with btn-icon for the expand and collapse buttons within the si-tree-view component, changing their appearance from circular to square.

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[github-actions]

Documentation.
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Playwright report.

Coverage Reports:

• element-ng
• element-translate-ng

[gemini-code-assist]

Code Review

This pull request refactors the tree-view component to use square buttons (btn-icon) instead of circle buttons (btn-circle) for the expand/collapse all functionality. The change is limited to the HTML template file.

[panch1739]

👍

[spike-rabbit]

👍

[github-actions]