Disambiguate `Address.state_province_id:abbr` (MySQL; simpler version)

Disambiguate `Address.state_province_id:abbr` (MySQL; simpler version)

Consider `ContactJoinTest::testCreateWithPrimaryAndBilling` which writes the value:

  'address_billing.state_province_id:abbr' => 'AK',

The symbol 'AK' can map to three places: Akwa Ibom (Nigeria), Atakora
(Benin), and Alaska (USA).  This is an ambiguous choice.  It should be
resolved in a consistent way.

One flavor of ambiguity comes from MySQL.  When loading abbreviations, Civi
queries with `ORDER BY abbreviation`.  This is a *typically* stable, but it
has no *guaranteed* resolution.  Adding a secondary sort key makes the
outcome clear/unambiguous.