fix(checker): respect SSL setting when probing qBittorrent (#1014)

Startup probe hardcoded http:// ignoring settings.downloader.ssl, causing 5-minute startup delay when qBittorrent is HTTPS-only or redirects http→https.

Now derives the scheme from settings.downloader.ssl.

Author: Tazman0872

backend/src/module/checker/checker.py

@@ -66,8 +66,9 @@ async def check_downloader() -> bool:
             return True
 
         try:
+            prefix =  "https" if settings.downloader.ssl else "http"
             url = (
-                f"http://{settings.downloader.host}"
+                f"{prefix}://{settings.downloader.host}"
                 if "://" not in settings.downloader.host
                 else f"{settings.downloader.host}"
             )