fix(wa): 直接以tab=groups进入时onMounted加载群数据(mount不触发route watch)

Co-Authored-By: Claude <noreply@anthropic.com>

yunkes/src/views/CustomerList.vue

@@ -408,6 +408,10 @@ watch(
 onMounted(() => {
   loadTab(activeTab.value)
   loadDeclaredTotal()
+  // 直接以 tab=groups 进入时加载群数据(mount 不触发 route watch)
+  if (activeTab.value === 'whatsapp' && waSubTab.value === 'groups') {
+    loadWaGroups()
+  }
 })
 </script>