refactor(daxpay): 优化码牌配置相关组件

-将 CashierCodeConfigEdit 组件中的 v-show 改为 v-if，提高渲染性能
- 移除 CashierCodeConfigList 和 CashierCodeTypeConfigList 组件中的 showFooter 属性

src/views/daxpay/common/config/cashier/code/CashierCodeConfigEdit.vue

@@ -20,7 +20,7 @@
       <a-form-item label="主键" name="id" :hidden="true">
         <a-input v-model:value="form.id" :disabled="showable" />
       </a-form-item>
-      <a-form-item label="码牌编码" name="code" v-show="form.code">
+      <a-form-item label="码牌编码" name="code" v-if="form.code">
         <a-input v-model:value="form.code" disabled />
       </a-form-item>
       <a-form-item label="码牌名称" name="name">

src/views/daxpay/common/config/cashier/code/CashierCodeConfigList.vue

@@ -1,6 +1,5 @@
 <template>
   <basic-drawer
-    showFooter
     v-bind="$attrs"
     width="70%"
     title="码牌配置"

src/views/daxpay/common/config/cashier/code/CashierCodeTypeConfigList.vue

@@ -1,6 +1,5 @@
 <template>
   <basic-drawer
-    showFooter
     v-bind="$attrs"
     width="70%"
     title="码牌类型配置"