### What problem does this PR solve?
Feat: Integrate the name, avatar, and description of chat and search
into a single component.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Inline-editable avatar, name, and description fields
* Expandable content blocks in search results
* New RAGFlow heading/logo component
* **Refactor**
* Replaced scattered form fields with a composed Avatar/Name/Description
component
* Mindmap drawer converted to a sheet-based drawer and layout cleanup
* Simplified search page controls and layout; improved scroll viewport
handling
* **Chores**
* Added/updated English and Chinese localization keys (placeholders,
view more/less)
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>
### What problem does this PR solve?
- Fix selected radio button text misaligned with radio button dot
- Fix `<ScrollArea>` scrollbar z-index issue
- Add backdrop blur effect on scrollbar thumbs
- Adjust some styles to match the design
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Feat: Add FileUploadDialog #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
