feat: Disable automatic saving of agent during running agent #3349 (#3350)

### What problem does this PR solve?

feat: Disable automatic saving of agent during running agent #3349

### Type of change


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

web/src/pages/flow/form/generate-form/index.tsx

@@ -28,7 +28,7 @@ const GenerateForm = ({ onValuesChange, form, node }: IOperatorForm) => {
       </Form.Item>
       <Form.Item
         name={['prompt']}
-        label={t('prompt', { keyPrefix: 'knowledgeConfiguration' })}
+        label="System"
         initialValue={t('promptText')}
         tooltip={t('promptTip', { keyPrefix: 'knowledgeConfiguration' })}
         rules={[