Docs: Play function updates to the canvas example

[kirjs]

Replace getByRole('another-element') -> getByRole('button') As another-element is not a proper aria-role

Closes #

What I did

Replace getByRole('another-element') -> getByRole('button') As another-element is not a proper aria-role

This is purely docs change.

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Greptile Summary

Updates documentation examples to use the proper ARIA role 'button' instead of the invalid 'another-element' in play function examples, improving accessibility standards and correctness.

• Modified docs/_snippets/my-component-play-function-with-canvas.md to replace getByRole('another-element') with getByRole('button')
• Ensures proper ARIA role usage across framework examples (Angular, Svelte, Web Components)

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[greptile-apps]

LGTM

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[greptile-apps]

LGTM

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[jonniebigodes]

@kirjs, thanks for putting together this pull request and helping us improve the documentation by catching this small typo in the examples. Appreciate it 🙏 !
I've checked, and everything is good on my end. I will gladly merge this.

Hope you have a fantastic day.

Stay safe

[greptile-apps]

LGTM

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