### What problem does this PR solve?
fix: Optimized popups and the search page #3221
- Added a new PortalModal component
- Refactored the Modal component, adding show and hide methods to
support popups
- Updated the search page, adding a new query function and optimizing
the search card style
- Localized, added search-related translations
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix the problem that the custom footer of modal component is not
effective, specify the react and react-dom versions, and add the
input-number component
[#3221](https://github.com/infiniflow/ragflow/issues/3221)
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
