fix(core): fix stuttering when change doc title (#6269)

packages/common/infra/src/page/record-list.ts

@@ -1,4 +1,5 @@
-import { Observable } from 'rxjs';
+import { isEqual } from 'lodash-es';
+import { distinctUntilChanged, map, Observable } from 'rxjs';
 
 import { LiveData } from '../livedata';
 import {
@@ -15,12 +16,10 @@ export class PageRecordList {
   ) {}
 
   public readonly records = LiveData.from<PageRecord[]>(
-    new Observable(subscriber => {
+    new Observable<string[]>(subscriber => {
       const emit = () => {
         subscriber.next(
-          this.workspace.docCollection.meta.docMetas.map(
+          this.workspace.docCollection.meta.docMetas.map(v => v.id)
-            v => new PageRecord(v.id, this.workspace, this.localState)
-          )
         );
       };
 
@@ -31,7 +30,12 @@ export class PageRecordList {
       return () => {
         dispose();
       };
-    }),
+    }).pipe(
+      distinctUntilChanged((p, c) => isEqual(p, c)),
+      map(ids =>
+        ids.map(id => new PageRecord(id, this.workspace, this.localState))
+      )
+    ),
     []
   );