fix(docs): fix codeblock componentn

[Myastr0]

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Description

This PR fixes the copy button in the codeblock component by adjusting its size from icon-xs to icon.

What changed

• Copy button size fix: Changed the button variant size from icon-xs to icon in the CopyButton component, ensuring the button is properly sized and visible
• Code formatting: Minor cleanup including import consolidation and trailing comma normalization for consistency

Why

The icon-xs size variant was likely causing the copy button to appear too small or improperly styled in the codeblock component. This fix ensures a better user experience when copying code snippets from the documentation.

[Myastr0]

👋 Hi, Myastr0! Thanks for opening a PR. We will review it soon.
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