### What problem does this PR solve?
feat: add file icon to table of FileManager #345
fix: modify datasetDescription
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
* feat: set initial value for the model field of chat setting
* feat: add category column to chunk table
* feat: fetch knowledge detail on KnowledgeUploadFile mount
* feat: remove unnecessary 'loading' fields from other files
* feat: layout the knowledge list page
* feat: modify the page switching button in the header
* feat: add react-dev-inspector to locate code in the IDE faster
* feat: install prettier to format code
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Co-authored-by: yangqianjuan <1072483500@qq.com>