Bypass headers anti-DoS checks for NoBan peers
Summary:
This allows you to easily avoid downloading headers twice if you have a trusted node to connect to
This concludes backport of core#25960
https://github.com/bitcoin/bitcoin/pull/25960/commits/e5982ecdc4650e9b6de38f190f3a97d792499e2a
Test Plan: ninja all check-all
Reviewers: #bitcoin_abc, Fabien
Reviewed By: #bitcoin_abc, Fabien
Subscribers: Fabien
Differential Revision: https://reviews.bitcoinabc.org/D16075