refactor: extract resolve_block_root to utils and rename misleading test#602

tcoratger merged 1 commit intoleanEthereum:mainleanEthereum/leanSpec:mainfrom

tcoratger:refactor/resolve-block-root-and-rename-testtcoratger/leanSpec:refactor/resolve-block-root-and-rename-testCopy head branch name to clipboard