### What problem does this PR solve?
Feat: Rendering a search test list with real data #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add RAGFlowSelect component #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add VariablePickerMenuPlugin to select variables in the prompt
text box by menu #4764
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Make the scroll bar of the DatasetSettings page appear inside
#3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add AdvancedSettingForm #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Add dataset sidebar #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
