Core/RBAC: add permission that prevents accounts from earning all achievements or only realm firsts

Port From (https://github.com/TrinityCore/TrinityCore/commit/b709ea9a8dcceb76bf1d057d01e86e347e207e51)

sql/updates/auth/master/2019_06_21_00_auth.sql

@@ -0,0 +1,7 @@
+DELETE FROM `rbac_permissions` WHERE `id` IN (8, 9);
+INSERT INTO `rbac_permissions` (`id`, `name`) VALUES
+(8, "Cannot earn achievements"),
+(9, "Cannot earn realm first achievements");
+
+INSERT INTO `rbac_linked_permissions` (`id`, `linkedId`) VALUES
+(194, 9);