fix(core): improve doc title and icon display (#9755)

Closes: [AF-2132](https://linear.app/affine-design/issue/AF-2132/优化-emoji-title-和-icon-显示)

blocksuite/affine/block-embed/src/embed-linked-doc-block/embed-linked-doc-block.ts

@@ -229,10 +229,9 @@ export class EmbedLinkedDocBlockComponent extends EmbedBlockComponent<EmbedLinke
   title$ = computed(() => {
     const { pageId, params, title } = this.referenceInfo$.value;
     return (
-      title ||
       this.std
         .get(DocDisplayMetaProvider)
-        .title(pageId, { params, title, referenced: true })
+        .title(pageId, { params, title, referenced: true }) || title
     );
   });