### What problem does this PR solve?
Feat: If a query variable in a data manipulation operator is deleted, a
warning message should be displayed to the user. #10427#11255
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Fixes: Fixed some bugs #10703
- Removed S3 upload from the file upload component
- Updated the dropdown menu style on the model provider page
- Updated some model provider icons
- Fixed other style issues
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fixes: Fixed model provider issues and improved some features
- Removed the old login page
- Updated model provider icons
- Added RAPTOR modification range parameter
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Feat: Replace the collapse icon #9869
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Adjust the style of the note node #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### 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
