调整配置文件默认灰度不生效问题 (#1795)

修复：在默认配置config.json文件修改灰色模式后，启动项目后不生效问题。

---------

Co-authored-by: zsc1003 <11476303+zsc1003@user.noreply.gitee.com>
Co-authored-by: Isaacedvr1003 <152384462+Isaacedvr1003@users.noreply.github.com>

web/src/pinia/modules/app.js

@@ -121,13 +121,14 @@ export const useAppStore = defineStore('app', () => {
   }
 
   const toggleSideModel= (e) =>{
-    config.side_mode = e 
+    config.side_mode = e
   }
 
   if(config.darkMode === 'auto'){
     toggleDarkModeAuto()
   }
 
+    toggleGrey(config.grey)
 
   return {
     theme,