refactor: update local storage key for currently playing data

Author: ccrsxx

src/lib/hooks/use-currently-playing-sse.ts

@@ -16,7 +16,7 @@ type UseCurrentlyPlayingSSE = {
 export function useCurrentlyPlayingSSE(): UseCurrentlyPlayingSSE {
   const [data, setData] =
     useLocalStorage<BackendSuccessApiResponse<CurrentlyPlaying> | null>(
-      'spotify-data',
+      'spotify',
       null
     );