Feat: Add model id to ExeSql operator form. #1739 (#4333)

### What problem does this PR solve?

Feat: Add model id to ExeSql operator form. #1739

### Type of change


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

web/src/pages/flow/constant.tsx

 };
 
 export const initialExeSqlValues = {
+  ...initialLlmBaseValues,
   db_type: 'mysql',
   database: '',
   username: '',

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

+import LLMSelect from '@/components/llm-select';
 import TopNItem from '@/components/top-n-item';
 import { useTranslate } from '@/hooks/common-hooks';
 import { useTestDbConnect } from '@/hooks/flow-hooks';
       layout={'vertical'}
     >
       <DynamicInputVariable node={node}></DynamicInputVariable>
+      <Form.Item
+        name={'llm_id'}
+        label={t('model', { keyPrefix: 'chat' })}
+        tooltip={t('modelTip', { keyPrefix: 'chat' })}
+      >
+        <LLMSelect></LLMSelect>
+      </Form.Item>
       <Form.Item
         label={t('dbType')}
         name={'db_type'}

web/src/pages/flow/hooks.tsx

       [Operator.GitHub]: initialGithubValues,
       [Operator.BaiduFanyi]: initialBaiduFanyiValues,
       [Operator.QWeather]: initialQWeatherValues,
-      [Operator.ExeSQL]: initialExeSqlValues,
+      [Operator.ExeSQL]: { ...initialExeSqlValues, llm_id: llmId },
       [Operator.Switch]: initialSwitchValues,
       [Operator.WenCai]: initialWenCaiValues,
       [Operator.AkShare]: initialAkShareValues,