fix(jellyfin): use the same deviceId for admins (#1710)

* fix(jellyfin): use the same deviceId for admins

This PR will make Jellyseerr use the same deviceId for the admin user everytime he logins to
Jellyfin/Emby. The previous behavior with different deviceId was creating new entries on the media
at every request.

* fix: remove useless check

server/routes/user/usersettings.ts

@@ -421,7 +421,9 @@ userSettingsRoutes.post<{ username: string; password: string }>(
 
     const hostname = getHostname();
     const deviceId = Buffer.from(
-      `BOT_jellyseerr_${req.user.username ?? ''}`
+      req.user?.id === 1
+        ? 'BOT_jellyseerr'
+        : `BOT_jellyseerr_${req.user.username ?? ''}`
     ).toString('base64');
 
     const jellyfinserver = new JellyfinAPI(hostname, undefined, deviceId);