Do not pass Consensus::Params& to Chainstate helpers

Summary:
This is a partial backport of core#25168
https://github.com/bitcoin/bitcoin/pull/25168/commits/faf012b438b451dced785e7f031e07c0c55665e1

Note that VerifyLoadedChainstate takes a Config in our codebase, and still needs it.

Depends on D14596

Test Plan: ninja all check-all

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D14597