fix: if cache get bytes then skip serealize

Endpoint/Common/Services/Security/DistributedCacheService.cs

@@ -17,7 +17,7 @@ public class DistributedCacheService(IDistributedCache cache) : ICacheService
             SlidingExpiration = slidingExpiration
         };
 
-        var serializedValue = JsonSerializer.SerializeToUtf8Bytes(value);
+        var serializedValue = value as byte[] ?? JsonSerializer.SerializeToUtf8Bytes(value);
         await cache.SetAsync(key, serializedValue, options, cancellationToken);
     }