refactor(editor): remove readonly in awareness (#9597)

blocksuite/presets/src/fragments/doc-title/doc-title.ts

@@ -3,6 +3,7 @@ import { ShadowlessElement } from '@blocksuite/block-std';
 import type { RichText, RootBlockModel } from '@blocksuite/blocks';
 import { assertExists, WithDisposable } from '@blocksuite/global/utils';
 import type { Store } from '@blocksuite/store';
+import { effect } from '@preact/signals-core';
 import { css, html } from 'lit';
 import { property, query, state } from 'lit/decorators.js';
 
@@ -111,7 +112,7 @@ export class DocTitle extends WithDisposable(ShadowlessElement) {
 
     this._isReadonly = this.doc.readonly;
     this._disposables.add(
-      this.doc.awarenessStore.slots.update.on(() => {
+      effect(() => {
         if (this._isReadonly !== this.doc.readonly) {
           this._isReadonly = this.doc.readonly;
           this.requestUpdate();