fix(settings): 补充 footerVisible/footerContent 解构，修复 store 初始化异常

解构 defaultSettings 时遗漏 footerVisible 和 footerContent 变量，导致：
  - ReferenceError: footerVisible is not defined
  - store 初始化失败，连锁导致 setTitle is not a function

openhis-ui-vue3/src/store/modules/settings.js

@@ -1,7 +1,7 @@
 import defaultSettings from '@/settings'
 import {useDynamicTitle} from '@/utils/dynamicTitle'
 
-const { sideTheme, showSettings, topNav, tagsView, fixedHeader, sidebarLogo, dynamicTitle } = defaultSettings
+const { sideTheme, showSettings, topNav, tagsView, fixedHeader, sidebarLogo, dynamicTitle, footerVisible, footerContent } = defaultSettings
 
 const storageSetting = JSON.parse(localStorage.getItem('layout-setting')) || ''