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)

packages/frontend/core/src/components/affine/reference-link/index.tsx

@@ -60,7 +60,7 @@ function AffinePageReferenceInner({
           mode: referenceWithMode ?? undefined,
           reference: true,
           referenceToNode,
-          hasTitleAlias: Boolean(title),
+          title,
         })
       );
     })

packages/frontend/core/src/components/blocksuite/block-suite-editor/specs/custom/root-block.ts

@@ -186,8 +186,8 @@ export function buildDocDisplayMetaExtension(framework: FrameworkProvider) {
       const icon$ = docDisplayMetaService
         .icon$(docId, {
           type: 'lit',
+          title,
           reference: referenced,
-          hasTitleAlias: Boolean(title),
           referenceToNode: referenceToNode({ pageId: docId, params }),
         })
         .map(iconBuilder);
@@ -204,7 +204,7 @@ export function buildDocDisplayMetaExtension(framework: FrameworkProvider) {
 
     title(
       docId: string,
-      { title = '', referenced }: DocDisplayMetaParams = {}
+      { title, referenced }: DocDisplayMetaParams = {}
     ): Signal<string> {
       const title$ = docDisplayMetaService.title$(docId, {
         title,
@@ -212,7 +212,7 @@ export function buildDocDisplayMetaExtension(framework: FrameworkProvider) {
       });
 
       const { signal: titleSignal, cleanup } =
-        createSignalFromObservable<string>(title$, title);
+        createSignalFromObservable<string>(title$, title ?? '');
 
       this.disposables.push(cleanup);