Issue #3008029 by quietone, Gábor Hojtsy: Migrate D7 i18n field option translations

...ation/migrations/d7_field_instance_option_translation.yml

...ig_translation/migrations/d7_field_option_translation.yml

...gin/migrate/process/d7/FieldInstanceOptionTranslation.php

.../src/Plugin/migrate/process/d7/FieldOptionTranslation.php

...d/src/Plugin/migrate/source/d7/FieldOptionTranslation.php

...c/Kernel/Migrate/d7/MigrateFieldOptionTranslationTest.php

...l/Plugin/migrate/source/d7/FieldOptionTranslationTest.php

core/modules/migrate_drupal/tests/fixtures/drupal7.php

...igrate_drupal_ui/tests/src/Functional/d7/Upgrade7Test.php