fix: address PR review thread issues

Agent-Logs-Url: https://github.com/devitq/movienight-backend/sessions/d4d6ebbb-2508-484e-accf-c891be54750f

Co-authored-by: devitq <118541411+devitq@users.noreply.github.com>

src/main/kotlin/com/project/movienight/adapters/jellyfin/JellyfinApiClient.kt

@@ -100,7 +100,7 @@ class JellyfinApiClient(
                 throw IllegalStateException("Failed to call Jellyfin at $uri", exception)
             }
 
-        check(response.statusCode() !in 200..299) {
+        check(response.statusCode() in 200..299) {
             "Jellyfin request failed with status ${response.statusCode()} for $uri"
         }