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/@core/ui-kit/shadcn-ui/src/components/button/icon-button.vue

@@ -12,7 +12,7 @@ import VbenButton from './button.vue';
 interface Props extends VbenButtonProps {
   class?: any;
   disabled?: boolean;
-  onClick?: () => void;
+  onClick?: (() => void)[] | (() => void);
   tooltip?: string;
   tooltipDelayDuration?: number;
   tooltipSide?: 'bottom' | 'left' | 'right' | 'top';
@@ -30,6 +30,16 @@ const props = withDefaults(defineProps<Props>(), {
 const slots = useSlots();
 
 const showTooltip = computed(() => !!slots.tooltip || !!props.tooltip);
+
+function handleClick() {
+  if (Array.isArray(props.onClick)) {
+    for (const fn of props.onClick) {
+      fn?.();
+    }
+  } else {
+    props.onClick?.();
+  }
+}
 </script>
 
 <template>
@@ -39,7 +49,7 @@ const showTooltip = computed(() => !!slots.tooltip || !!props.tooltip);
     :disabled="disabled"
     :variant="variant"
     size="icon"
-    @click="onClick"
+    @click="handleClick"
   >
     <slot></slot>
   </VbenButton>
@@ -55,7 +65,7 @@ const showTooltip = computed(() => !!slots.tooltip || !!props.tooltip);
         :disabled="disabled"
         :variant="variant"
         size="icon"
-        @click="onClick"
+        @click="handleClick"
       >
         <slot></slot>
       </VbenButton>

packages/@core/ui-kit/shadcn-ui/src/components/full-screen/full-screen.vue

@@ -7,6 +7,15 @@ import { VbenIconButton } from '../button';
 
 defineOptions({ name: 'FullScreen' });
 
+withDefaults(
+  defineProps<{
+    tooltip?: string;
+  }>(),
+  {
+    tooltip: '',
+  },
+);
+
 const { isFullscreen, toggle } = useFullscreen();
 
 // 重新检查全屏状态
@@ -22,6 +31,7 @@ isFullscreen.value = !!(
 </script>
 <template>
   <VbenIconButton
+    :tooltip="tooltip || undefined"
     class="hover:animate-[shrink_0.3s_ease-in-out]"
     @click="toggle"
   >

packages/@core/ui-kit/shadcn-ui/src/components/popover/popover.vue

@@ -45,7 +45,7 @@ const forwarded = useForwardPropsEmits(delegatedProps, emits);
 
 <template>
   <PopoverRoot v-bind="forwarded">
-    <PopoverTrigger :class="triggerClass">
+    <PopoverTrigger as="span" :class="triggerClass">
       <slot name="trigger"></slot>
 
       <PopoverContent