refactor(core): make lit portal a bit cleaner (#9354)

packages/frontend/core/src/components/blocksuite/block-suite-editor/bi-directional-link-panel.tsx

@@ -357,7 +357,7 @@ export const BiDirectionalLinkPanel = () => {
       {
         <>
           {portals.map(p => (
-            <Fragment key={p.portal.key}>{p.portal}</Fragment>
+            <Fragment key={p.id}>{p.portal}</Fragment>
           ))}
         </>
       }

packages/frontend/core/src/components/blocksuite/block-suite-editor/lit-adaper.tsx

@@ -194,7 +194,7 @@ const usePatchSpecs = (shared: boolean, mode: DocMode) => {
       () => (
         <>
           {portals.map(p => (
-            <Fragment key={p.portal.key}>{p.portal}</Fragment>
+            <Fragment key={p.id}>{p.portal}</Fragment>
           ))}
         </>
       ),