Change Details

Refactor replacing three `mapAddressBook` lookups with one. Partial backport of Core PR12639 https://github.com/bitcoin/bitcoin/pull/12639/commits/a59dac35abf64d5af4d499bc3397b3369eb76eda

Reduce cs_main lock in listunspent and refactor replacing three `mapAddressBook` lookups with one. Backport of Core PR12639 https://github.com/bitcoin/bitcoin/pull/12639/

Reduce cs_main lock in listunspent and refactor replacing three `mapAddressBook` lookups with one. Partial bBackport of Core PR12639 https://github.com/bitcoin/bitcoin/pull/12639/commits/a59dac35abf64d5af4d499bc3397b3369eb76eda