fix: add prefer-readonly rule (#5122)

packages/frontend/core/src/utils/user-setting.ts

@@ -5,8 +5,8 @@ import type { Map as YMap } from 'yjs';
 import { Doc as YDoc } from 'yjs';
 export class UserSetting {
   constructor(
-    private workspace: Workspace,
-    private userId: string
+    private readonly workspace: Workspace,
+    private readonly userId: string
   ) {}
 
   get setting(): YDoc {

packages/frontend/core/src/utils/workspace-setting.ts

@@ -13,7 +13,7 @@ const COLLECTIONS_TRASH_KEY = 'collections_trash';
 const SETTING_KEY = 'setting';
 
 export class WorkspaceSetting {
-  constructor(private workspace: Workspace) {}
+  constructor(private readonly workspace: Workspace) {}
 
   get doc() {
     return this.workspace.doc;