## Description
Fix the issue where duplicate templates can be created
## Changes Made
- Prevent duplicate templates by correctly disabling elements
- Clear the PDF when the form is reset
- General UI changes to new template dialog for consistency
- Add description for new template dialog
- Add close button for new template dialog
## Testing Performed
Manual testing
## Checklist
- [X] I have tested these changes locally and they work as expected.
- [X] I have followed the project's coding style guidelines.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
- **New Features**
- Introduced new components in the template creation dialog for better
usability: `DialogClose`, `DialogDescription`, and `DialogFooter`.
- Enhanced file upload handling and display.
- Added a cancel button and a create template button to the dialog
footer for improved navigation.
- **Refactor**
- Updated the dialog content and form layout for a more intuitive user
experience.
- Refactored form structure and labels for clarity.
- **Removed Features**
- Removed the `Label` component from the dialog.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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