style: gameboared redesign

src/app/pages/game/game.facade.ts

@@ -226,9 +226,7 @@ export class GameFacade implements OnDestroy {
     this.streamService.startStreaming(
       this.gameId,
       (event) => this.applyStreamEvent(event),
-      () => {
-        this.errorMessage = 'Live stream disconnected. Falling back to polling.';
-      }
+      () => { /* polling fallback — not an error */ }
     );
   }