### What problem does this PR solve?
Fix: Optimized the timeline component and parser editing features #9869
- Introduced the TimelineNodeType type, restructured the timeline node
structure, and supported dynamic node generation
- Enhanced the FormatPreserveEditor component to support editing and
line wrapping of JSON-formatted content
- Added a rerun function and loading state to the parser and splitter
components
- Adjusted the timeline style and interaction logic to enhance the user
experience
- Improved the modal component and added a destroy method to support
more flexible control
- Optimized the chunk result display and operation logic, supporting
batch deletion and selection
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
fix: Added dataset generation logging functionality #9869
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
refactor(timeline, modal, dataflow-result, dataset-overview): Updated
color parsing functions and optimized component logic.
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
fix: Modify icon file, knowledge base display style #9869
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
feat(next-search): Implements document preview functionality
- Adds a new document preview modal component
- Implements document preview page logic
- Adds document preview-related hooks
- Optimizes document preview rendering logic
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### 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)