fix: NextJs user preview card name size

[k99sharma]

Fixes Issue

Closes #1984

Changes proposed

Changes name text size from text-2xl to text-xl in user preview card in NextJs

Check List (Check all the applicable boxes)

• [ x] My code follows the code style of this project.
• [ ] My change requires changes to the documentation.
• [ ] I have updated the documentation accordingly.
• [x ] All new and existing tests passed.
• [x ] This PR does not contain plagiarized content.
• [x ] The title of my pull request is a short description of the requested changes.

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Note to reviewers

[github-actions[bot]]

Welcome @k99sharma! Thank you so much for your first pull request!