fix(layout/sidebar-item): 修复侧边栏菜单项的两处显示问题

- 将侧边栏内容容器从span改为div，避免Tooltip触发器被误判为隐藏文本
- 折叠父菜单时子菜单强制不折叠以保留子项标题
- 新增对应单元测试覆盖修复场景

WonderQ-Admin-UI-Vue/src/components/layout/SidebarItem.test.ts

@@ -0,0 +1,17 @@
+import { readFileSync } from "node:fs";
+import { describe, expect, it } from "vitest";
+
+const source = readFileSync(new URL("./SidebarItem.vue", import.meta.url), "utf8");
+
+describe("侧栏菜单图标容器", () => {
+  it("避免折叠菜单把 Tooltip 触发器误判为隐藏文本", () => {
+    expect(source).toContain('<div class="sidebar-item__content">');
+    expect(source).not.toContain('<span class="sidebar-item__content">');
+  });
+});
+
+describe("折叠态子菜单", () => {
+  it("在弹出的子菜单中保留子项标题", () => {
+    expect(source).toContain(':collapsed="false"');
+  });
+});

WonderQ-Admin-UI-Vue/src/components/layout/SidebarItem.vue

@@ -39,23 +39,23 @@ const childBasePath = computed(() => resolvedPath.value || props.basePath || "/"
     :aria-label="menu.name" :class="['sidebar-item', `sidebar-item--${navigationType}`]">
     <template #title>
       <el-tooltip :content="menu.name" :disabled="!collapsed" placement="right">
-        <span class="sidebar-item__content">
+        <div class="sidebar-item__content">
           <LayoutIcon :name="getMenuIconName(menu)" :title="collapsed ? menu.name : undefined" size="18" />
           <span v-if="!collapsed" class="sidebar-item__label">{{ menu.name }}</span>
-        </span>
+        </div>
       </el-tooltip>
     </template>
     <SidebarItem v-for="child in visibleChildren" :key="child.id" :menu="child" :base-path="childBasePath"
-      :collapsed="collapsed" :navigation-type="navigationType" />
+      :collapsed="false" :navigation-type="navigationType" />
   </el-sub-menu>
 
   <el-menu-item v-else-if="menu.type === 'page' && resolvedPath" :index="resolvedPath" :aria-label="menu.name"
     :class="['sidebar-item', `sidebar-item--${navigationType}`]">
     <el-tooltip :content="menu.name" :disabled="!collapsed" placement="right">
-      <span class="sidebar-item__content">
+      <div class="sidebar-item__content">
         <LayoutIcon :name="getMenuIconName(menu)" :title="collapsed ? menu.name : undefined" size="18" />
         <span v-if="!collapsed" class="sidebar-item__label">{{ menu.name }}</span>
-      </span>
+      </div>
     </el-tooltip>
   </el-menu-item>
 </template>