Merge pull request #16447 from samuelsov/lab#1319

dev/core#1319 Fix regression with shared household address

diff --cc CRM/Contact/BAO/Contact/Utils.php
Simple merge

diff --cc CRM/Contact/Form/Edit/Address.php
Simple merge

diff --cc CRM/Core/BAO/Address.php
Simple merge

diff --cc templates/CRM/Contact/Form/ShareAddress.tpl
Simple merge

diff --cc tests/phpunit/api/v3/AddressTest.php
Simple merge