feat: 顶栏与用户下拉框按钮样式统一与 tooltip 修复

- 修复 VbenTooltip 的 :content prop 类型错误，改用默认插槽
- 修复 VbenIconButton 的 onClick prop 支持数组合并
- VbenFullScreen 新增 tooltip prop，支持直接设置提示
- 统一顶栏与用户下拉框所有按钮样式，使用 VbenIconButton 包装
- 移除 i18n 中多余的"启用"字样（全局搜索/语言切换）
- 修复 VbenPopover PopoverTrigger 嵌套 button 导致 tooltip 不显示

Co-Authored-By: AtomCode (GLM-5.2) <noreply@atomgit.com>

packages/locales/src/langs/en-US/preferences.json

@@ -192,13 +192,13 @@
   },
   "widget": {
     "title": "Widget",
-    "globalSearch": "Enable Global Search",
+    "globalSearch": "Global Search",
     "globalSearchPosition": "Global Search Position",
     "fullscreen": "Enable Fullscreen",
     "fullscreenPosition": "Fullscreen Position",
     "themeToggle": "Enable Theme Toggle",
     "themeTogglePosition": "Theme Toggle Position",
-    "languageToggle": "Enable Language Toggle",
+    "languageToggle": "Language Toggle",
     "languageTogglePosition": "Language Toggle Position",
     "notification": "Enable Notification",
     "notificationPosition": "Notification Position",
@@ -208,6 +208,7 @@
     "logoutButtonPosition": "Logout Button Position",
     "header": "Header",
     "userDropdown": "User Dropdown",
+    "hidden": "Hidden",
     "refresh": "Enable Refresh",
     "refreshPosition": "Refresh Position",
     "timezone": "Enable Timezone",

packages/locales/src/langs/zh-CN/preferences.json

@@ -192,13 +192,13 @@
   },
   "widget": {
     "title": "小部件",
-    "globalSearch": "启用全局搜索",
+    "globalSearch": "全局搜索",
     "globalSearchPosition": "全局搜索位置",
     "fullscreen": "启用全屏",
     "fullscreenPosition": "全屏按钮位置",
     "themeToggle": "启用主题切换",
     "themeTogglePosition": "主题切换位置",
-    "languageToggle": "启用语言切换",
+    "languageToggle": "语言切换",
     "languageTogglePosition": "语言切换位置",
     "notification": "启用通知",
     "notificationPosition": "通知位置",
@@ -208,6 +208,7 @@
     "logoutButtonPosition": "退出按钮位置",
     "header": "顶栏",
     "userDropdown": "用户下拉窗",
+    "hidden": "已隐藏",
     "refresh": "启用刷新",
     "refreshPosition": "刷新按钮位置",
     "timezone": "启用时区",