Inconsistency when handling block rewards.

There some inconsistency when calculating block rewards. e.g. in https://github.com/erigontech/silkworm/blob/29b40fc5c4a8039503b7dd3912ebd8c1efd2202e/silkworm/rpc/commands/erigon_api.cpp#L496C3-L496C3

The reward is only calculated when using ethash: (chain_config.config.count("ethash") != 0)

but in https://github.com/erigontech/silkworm/blob/29b40fc5c4a8039503b7dd3912ebd8c1efd2202e/silkworm/rpc/core/evm_trace.cpp#L1220

The reward is computed regardless.

Should the compute_reward function be made a more general way so we can have different block rewards for different rule_set or at least make sure we only count rewards when using ethash?