createAt field for group returned from stream does not match field from createGroup (android only bug)

[cameronvoell]

Describe the bug

On android, list() and listAll() methods for conversations returns in Chronological order for iOS and reverse Chronological order.

Expected behavior

Android should match iOS and have the createdAt field on a group returned from a stream match createdAt field on a group returned from createGroup function.

Steps to reproduce the bug

See tests: https://github.com/xmtp/xmtp-react-native/pull/273/files#diff-4b96887b4344b96a5d9e30cad1e87d74d6d9eab735f00c9c0cbad5e976f1ccb4R146-R311