feat: 支持系统账号批量操作

- 新增账号批量删除和批量重置密码接口及结果返回

- 用户列表增加批量操作工具栏与结果提示

- 账号删除切换为逻辑删除语义

easyflow-ui-admin/app/src/components/headerSearch/HeaderSearch.vue

@@ -115,6 +115,9 @@ const handleDropdownClick = (button) => {
         <ElButton auto-insert-space @click="handleReset">
           {{ $t('button.reset') }}
         </ElButton>
+        <div v-if="$slots.middle" class="search-middle">
+          <slot name="middle"></slot>
+        </div>
       </div>
     </div>
 
@@ -193,6 +196,12 @@ const handleDropdownClick = (button) => {
   gap: 12px;
 }
 
+.search-middle {
+  display: flex;
+  align-items: center;
+  min-width: 0;
+}
+
 .search-input {
   width: min(360px, 100%);
 }
@@ -267,6 +276,10 @@ const handleDropdownClick = (button) => {
     justify-content: flex-start;
   }
 
+  .search-middle {
+    width: 100%;
+  }
+
   .search-input {
     width: 100%;
   }