[backport#17304 3/18] Refactor: Add new ScriptPubKeyMan virtual methods

Summary:
This commit does not change behavior.

https://github.com/bitcoin/bitcoin/pull/17304/commits/acedc5b8230ed9ad07f96f51f0ef862ab3a41d5e

Depends on D7148

Partial backport of Core PR17304

Test Plan:

ninja check

Reviewers: #bitcoin_abc, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Subscribers: jasonbcox

Differential Revision: https://reviews.bitcoinabc.org/D7149