getTranslation() returns null in integer value

[Yetkin Aykan]

getTranslation() Just returns null on integer value

{   
    "tr": "test",
    "en": "123",
}

var_dump($modal->getTranslation('name', 'tr'))
string(4) "test"

var_dump($modal->getTranslation('name', 'en'))
string(0) ""