client: expose more parts from logs parsing

[puhtaytow]

The three small changes could make your log parser more usable in scenarios where Anchor client / events subscribing logic doesn't fit.

[vercel]

@puhtaytow is attempting to deploy a commit to the coral-xyz Team on Vercel.

A member of the Team first needs to authorize it.

[acheroncrypto]

Usually not a fan of making internal APIs public like this but we can make an exception here since these don't change much, thanks!

[puhtaytow]

Wheew! thank you @acheroncrypto