### What problem does this PR solve?
Feat: Refactor BeginForm with shadcn #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add return value widget to CodeForm #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Switching the programming language of the code operator will
switch the corresponding language template #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Fixed the issue where the page would refresh continuously when
opening the sheet on the right side of the canvas #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Migrate the code operator to the new agent. #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Render DynamicCategorize with shadcn-ui. #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Render MessageForm with shadcn-ui. #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Render WikipediaForm and BaiduForm with shadcn-ui. #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Render QWeatherForm with shadcn-ui. #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Render RewriteQuestionForm with shadcn-ui #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Use shadcn-ui to build GenerateForm. #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
