Fix: Resolve copy button visibility issue in Textbox component

[rahulsamant37]

Description

This PR resolves the issue with the misplaced/invisible copy button in the gr.Textbox component when show_copy_button=True. The button was previously positioned inside the textarea, leading to improper alignment and invisibility.

Main changes include:

• Added a new wrapper
  to give the copy button a separate positioning context.
• Moved the copy button outside of the input/textarea container for better alignment.
• Removed the copy button from within the textarea section to prevent overlap.
• Updated styles to adjust positioning and styling:

Closes: #9569

Thank you for considering this fix! I appreciate your time and look forward to your feedback.

[gradio-pr-bot]

🪼 branch checks and previews

•	Name	Status	URL
	Spaces	ready!	Spaces preview
	Storybook	ready!	Storybook preview
🦄	Changes	detected!	Details

---

Install Gradio from this PR

pip install https://gradio-pypi-previews.s3.amazonaws.com/202feb26158e78f436e5f8390c6ff478550dc8d6/gradio-5.4.0-py3-none-any.whl

Install Gradio Python Client from this PR

pip install "gradio-client @ git+https://github.com/gradio-app/gradio@202feb26158e78f436e5f8390c6ff478550dc8d6#subdirectory=client/python"

Install Gradio JS Client from this PR

npm install https://gradio-npm-previews.s3.amazonaws.com/202feb26158e78f436e5f8390c6ff478550dc8d6/gradio-client-1.7.1.tgz

Use Lite from this PR

<script type="module" src="https://gradio-lite-previews.s3.amazonaws.com/202feb26158e78f436e5f8390c6ff478550dc8d6/dist/lite.js""></script>

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
@gradio/textbox	patch
gradio	patch

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With the following changelog entry.

Fix: Resolve copy button visibility issue in Textbox component

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[aliabid94]

Thanks a lot @rahulsamant37! I moved around some of the containers, should be good to go now!