Missing generator address and validatorsHash check on genesis block

[shuse2]

Expected behavior

• verify generator address to be empty bytes for genesis block
• verify validatorsHash to be matching with computed validatorsHash

Actual behavior

generatorAddress is not checked during the validation
validatorsHash are not checked after genesis block execution

Steps to reproduce

• Add non zero generatorAddress and start application
• Add invalid validatorsHash and start application

Which version(s) does this affect? (Environment, OS, etc...)

6.0.0-beta.0