[BUG] Storage upload file exception

[MichalNemec]

Describe the bug

I/flutter ( 5519): FINEST: 2025-10-30 19:35:32.623007: Request: attempt: 1 POST https://***/storage/v1/object/avatar/b5710545-99c2-4736-983c-d3346f8b1bb2.png {X-Client-Info: supabase-flutter/2.9.1, X-Supabase-Client-Platform: android, X-Supabase-Client-Platform-Version: sdk_gphone64_arm64-userdebug 14 UE1A.230829.036.A1 11228894 dev-keys}
I/flutter ( 5519): FINE: 2025-10-30 19:35:32.656509: StorageException for https://***/storage/v1/object/avatar/b5710545-99c2-4736-983c-d3346f8b1bb2.png
I/flutter ( 5519): StorageException(message: You cannot consume this service, statusCode: 403, error: null)

To Reproduce
Steps to reproduce the behavior:

1. Self host supabase
2. try to upload a file into a bucket (private bucket, RLS enabled for insert + select)

Expected behavior
no error, same code works on cloud version

Screenshots
If applicable, add screenshots to help explain your problem.

Version (please complete the following information):

├── supabase_flutter 2.10.3
│   ├── supabase 2.10.0
│   │   ├── functions_client 2.5.0
│   │   ├── gotrue 2.16.0
│   │   ├── postgrest 2.5.0
│   │   ├── realtime_client 2.6.0
│   │   ├── storage_client 2.4.1

Additional context
Add any other context about the problem here.