### What problem does this PR solve?
Feat: Share agent dialog box externally #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add SwitchForm component #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Adjust the operation cell of the table on the file management page
and dataset page #3221.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Using IconFont as an additional icon library #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
* feat: Fixed the issue where the greeting would disappear when clicking on a new dialog
* feat: replace favicon with logo.svg
* feat: if the backend returns 401, it will jump to the login page.
* feat: unavailable llm models appear disabled
* feat: display chunk token number when category of knowledge as general
