### What problem does this PR solve?
Fix: UI adjustments, replacing private components with public components
- UI adjustments for public components (input, multiselect,
SliderInputFormField)
- Replacing the private LlmSettingFieldItems component in search with
the public LlmSettingFieldItems component
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix: Search app AI summary ERROR And The tag set cannot be selected
#9649#9652
- Search app AI summary ERROR: 'dict' object has no attribute 'split'
#9649
- fix The tag set cannot be selected in the knowledge base. #9652
- Added custom parameter options to the LlmSettingFieldItems component
- Adjusted the document preview height to improve page layout
adaptability
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Feat: Fixed the issue where some fields in the chat configuration could
not be displayed #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add the SelectWithSearch component #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
