chore: Use crossterm bundled with ratatui

[jeevithakannan2]

Type of Change

• [ ] New feature
• [ ] Bug fix
• [ ] Documentation update
• [x] Refactoring
• [ ] Hotfix
• [ ] Security patch
• [ ] UI/UX improvement

Description

• Refactored to use the crossterm bundled with ratatui. This ensures version compatibility and reduces the risk of future breakage due to mismatched versions.

Testing

• Works without error

Impact

• There is no longer a need to manually maintain a separate version of crossterm in the project. This eliminates potential compatibility issues with ratatui that may occur in the future.

Checklist

• [x] My code adheres to the coding and style guidelines of the project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [x] My changes generate no errors/warnings/merge conflicts.