Rework hardhat-vnext-viem types

[kanej]

We need to improve the types and chain selection. This will require a reworking at least at the type level - though potentially API changes as well.

[SebastienGllmt]

I'm not sure the context for this issue, but if it's about exposing types in a way that people can easily use to get type safety in their viem applications, you can consider using #5984 with tsWrapper set to true

[kanej]

I'm not sure the context for this issue, but if it's about exposing types in a way that people can easily use to get type safety in their viem applications, you can consider using #5984 with tsWrapper set to true

@SebastienGllmt, in Hardhat 3 the compilation pipeline also generates typescript types similar to your tsWrapper. We them consume those types from hardhat-viem.