Update Navbar component to improve mobile navigation experience

- Modify click handler for navigation items to close the dropdown after selection
- Enhances user experience by ensuring the mobile navbar closes upon route change

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src/components/layout/Navbar.vue

@@ -282,7 +282,7 @@ const handleLogout = async () => {
                 :key="item.href"
                 variant="ghost" 
                 size="sm" 
-                @click="() => router.push(item.href)"
+                @click="() => { router.push(item.href); isOpen = false }"
                 class="w-full justify-start gap-2">
                 <component :is="item.icon === 'Ticket' ? Ticket : item.icon === 'Store' ? Store : Activity" class="h-4 w-4" />
                 {{ item.name }}