Apply prettier formatting

src/stores/room-list/RoomListLayoutStore.ts

@@ -68,8 +68,7 @@ export default class RoomListLayoutStore extends AsyncStoreWithClient<IState> {
     }
 
     // We don't need this function, but our contract says we do
-    protected async onAction(payload: ActionPayload): Promise<void> {
-    }
+    protected async onAction(payload: ActionPayload): Promise<void> {}
 }
 
 window.mxRoomListLayoutStore = RoomListLayoutStore.instance;