Computes core.Genesis.ToBlock().Hash() on the maintained EVM path, replacing
the legacy coreth-based state/cmd verifiers (which no longer build against the
current stack). Used to close the mainnet regenesis launch gate: canonical
genesis/configs/mainnet/cchain.json and the deployed k8s cChainGenesis both
compute 0x3f4fa2a0...ec61e (== RLP block-0), state root 0x2d1cedac.
Co-authored-by: Hanzo Dev <[email protected]>