feat: save the parameters of the generate operator to the form field … (#1390)

### What problem does this PR solve?
feat: save the parameters of the generate operator to the form field of
the node #918

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/components/llm-setting-items/index.tsx

@@ -51,7 +51,7 @@ const LlmSettingItems = ({ prefix, formItemLayout = {} }: IProps) => {
       <Divider></Divider>
       <Form.Item
         label={t('freedom')}
-        name="parameters"
+        name="parameter"
         tooltip={t('freedomTip')}
         {...formItemLayout}
         initialValue={ModelVariableType.Precise}