<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Improved file selection dialogs for attachments, imports, and uploads, allowing for more consistent and streamlined file picking across the app.
- **Bug Fixes**
- Resolved inconsistencies when selecting single or multiple files, ensuring a smoother user experience during file import and upload.
- **Refactor**
- Unified and simplified file selection logic throughout the app for better reliability and maintainability.
- Standardized import functions to uniformly handle arrays of files, enhancing consistency in file processing.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
fundon