feat: Arrange the form of generate, categorize, switch, retrieval operators vertically #1739 (#2800)

### What problem does this PR solve?

feat: Arrange the form of generate, categorize, switch, retrieval
operators vertically #1739

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

web/src/pages/flow/flow-drawer/index.less

 .title {
   flex-basis: 60px;
 }
+
+.formWrapper {
+  :global(.ant-form-item-label) {
+    font-weight: 600;
+  }
+}

web/src/pages/flow/flow-drawer/index.tsx

       mask={false}
       width={470}
     >
-      {visible && (
-        <OperatorForm
-          onValuesChange={handleValuesChange}
-          form={form}
-          node={node}
-        ></OperatorForm>
-      )}
+      <section className={styles.formWrapper}>
+        {visible && (
+          <OperatorForm
+            onValuesChange={handleValuesChange}
+            form={form}
+            node={node}
+          ></OperatorForm>
+        )}
+      </section>
     </Drawer>
   );
 };

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

   return (
     <Form
       name="basic"
-      labelCol={{ span: 6 }}
-      wrapperCol={{ span: 18 }}
       autoComplete="off"
       form={form}
       onValuesChange={handleValuesChange}
       initialValues={{ items: [{}] }}
+      layout={'vertical'}
     >
       <Form.Item
         name={'llm_id'}

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

   return (
     <Form
       name="basic"
-      labelCol={{ span: 10 }}
-      wrapperCol={{ span: 14 }}
       autoComplete="off"
       form={form}
       onValuesChange={onValuesChange}
+      layout={'vertical'}
     >
       <Form.Item
         name={'llm_id'}

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

   return (
     <Form
       name="basic"
-      labelCol={{ span: 12 }}
-      wrapperCol={{ span: 12 }}
       onFinish={onFinish}
       onFinishFailed={onFinishFailed}
       autoComplete="off"
       onValuesChange={onValuesChange}
       form={form}
+      layout={'vertical'}
     >
       <SimilaritySlider
         isTooltipShown

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

 import { IOperatorForm, ISwitchForm } from '../../interface';
 import { getOtherFieldValues } from '../../utils';
 
-const subLabelCol = {
-  span: 11,
-};
-
-const subWrapperCol = {
-  span: 13,
-};
-
 const SwitchForm = ({ onValuesChange, node, form }: IOperatorForm) => {
   const { t } = useTranslation();
   const buildCategorizeToOptions = useBuildFormSelectOptions(
 
   return (
     <Form
-      labelCol={{ span: 8 }}
-      wrapperCol={{ span: 16 }}
       form={form}
       name="dynamic_form_complex"
       autoComplete="off"
       initialValues={{ conditions: [{}] }}
       onValuesChange={onValuesChange}
+      layout={'vertical'}
     >
       <Form.List name="conditions">
         {(fields, { add, remove }) => (
                             <Form.Item
                               label={t('flow.componentId')}
                               name={[subField.name, 'cpn_id']}
-                              labelCol={subLabelCol}
-                              wrapperCol={subWrapperCol}
                             >
                               <Select
                                 placeholder={t('flow.componentId')}
                             <Form.Item
                               label={t('flow.operator')}
                               name={[subField.name, 'operator']}
-                              labelCol={subLabelCol}
-                              wrapperCol={subWrapperCol}
                             >
                               <Select
                                 placeholder={t('flow.operator')}
                             <Form.Item
                               label={t('flow.value')}
                               name={[subField.name, 'value']}
-                              labelCol={subLabelCol}
-                              wrapperCol={subWrapperCol}
                             >
                               <Input placeholder={t('flow.value')} />
                             </Form.Item>