This ensures the options are applied consistently from contexts where
they might not pass through the args manager, such as in some tests, or
when used through the kernel library.
This is similar to the patch applied in 09ef322acc0a88a9e119f74923399598984c68f6.
This changes the minimum chain work for the bitcoin-chainstate
executable. Previously it was uint256{}, now it is the chain's default
minimum chain work.