Optimization: Coin&& to UndoCoinSpend
Summary:
This is the consequence of a missed commit from core#10195:
https://github.com/bitcoin/bitcoin/pull/10195/commits/bd83111a0fcfdb97204a0180bcf861d3b53bb6c2
Found during the review of D14006.
Test Plan:
ninja all check-all
Reviewers: #bitcoin_abc, PiRK
Reviewed By: #bitcoin_abc, PiRK
Differential Revision: https://reviews.bitcoinabc.org/D14010