CreateNewBlock and miner_tests: Also check generated template is valid by CheckBlockHeader, ContextualCheckBlockHeader, CheckBlock, and ContextualCheckBlock
CreateNewBlock and miner_tests: Also check generated template is valid by CheckBlockHeader, ContextualCheckBlockHeader, CheckBlock, and ContextualCheckBlock

wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin