Currently `AbciErrorCode(0)` is set as `UNSPECIFIED`. We should change `AbciErrorCode(0)` to `OK` in line with expected abci behaviour. We should also remove the `From<NonZeroU32>` impl as it's unused and allows for constructing unknown `AbciErrorCode`s.
Currently
AbciErrorCode(0)is set asUNSPECIFIED. We should changeAbciErrorCode(0)toOKin line with expected abci behaviour.We should also remove the
From<NonZeroU32>impl as it's unused and allows for constructing unknownAbciErrorCodes.