feat(cargo-type): 优化搜索区布局并添加展开收缩功能

- 将类别和货物类型编码两个搜索字段改为单行并排布局，提升界面紧凑度
- 添加展开/收缩切换按钮，默认收缩，按钮带箭头图标动画
- searchMenuSlot 中新增展开/收缩按钮，移除搜索图标
- 调整相关样式，实现搜索区域元素横向排列，增强用户体验

src/option/base/cargo-type.js

@@ -35,7 +35,6 @@ export const getCargoTypeOption = ctx => ({
   updateBtnText: '提交',
   searchShow: true,
   searchMenuSpan: 24,
-  searchIcon: true,
   searchIndex: 8,
   searchMenuPosition: 'right',
   border: true,
@@ -56,6 +55,7 @@ export const getCargoTypeOption = ctx => ({
       dataType: 'number',
       dicData: typeLevelDic,
       search: true,
+      searchSpan: 12,
       value: 2,
       span: 24,
       minWidth: 120,
@@ -106,6 +106,7 @@ export const getCargoTypeOption = ctx => ({
       prop: 'cargoCode',
       minWidth: 140,
       search: true,
+      searchSpan: 12,
       maxlength: 4,
       editDisabled: true,
       rules: [