feat(playground): display referenceId in symbol tab (#2790)

<img width="642" alt="image"
src="https://github.com/oxc-project/oxc/assets/29533304/e87893d9-9d21-4300-9028-1ef3e546777a">

website/playground/symbols.js

@@ -27,7 +27,7 @@ export const renderSymbols = (symbols) => {
       symbolId: index,
       nodeId,
       span: symbols.spans[index],
-      references: symbols.resolvedReferences[index].map((id) => symbols.references[id]),
+      references: symbols.resolvedReferences[index].map((id) => ({ referenceId: id, ...symbols.references[id] })),
     })
   })
   cacheSymbols = target