Sync subtitle and audio indexes between server and offline

hooks/useDownloadedFileOpener.ts

@@ -1,6 +1,7 @@
 import type { BaseItemDto } from "@jellyfin/sdk/lib/generated-client";
 import { useCallback } from "react";
 import useRouter from "@/hooks/useAppRouter";
+import { getDownloadedItemById } from "@/providers/Downloads/database";
 import { usePlaySettings } from "@/providers/PlaySettingsProvider";
 import { writeToLog } from "@/utils/log";
 
@@ -15,9 +16,14 @@ export const useDownloadedFileOpener = () => {
         console.error("Attempted to open a file without an ID.");
         return;
       }
+      const downloadedItem = getDownloadedItemById(item.Id);
       const queryParams = new URLSearchParams({
         itemId: item.Id,
         offline: "true",
+        audioIndex:
+          downloadedItem?.userData?.audioStreamIndex?.toString() ?? "",
+        subtitleIndex:
+          downloadedItem?.userData?.subtitleStreamIndex?.toString() ?? "-1",
         playbackPosition:
           item.UserData?.PlaybackPositionTicks?.toString() ?? "0",
       });