translatable + stapler conflict

patch

use HasTranslations, EloquentTrait {
    HasTranslations::getAttribute as getTranslatedAttribute;
    HasTranslations::setAttribute as setTranslatedAttribute;
    EloquentTrait::getAttribute as getStaplerableAttribute;
    EloquentTrait::setAttribute as setStaplerableAttribute;
}

public function getAttribute($key)
{
    if ($this->isKeyReturningTranslationText($key)) {
        return $this->getTranslatedAttribute($key);
    } else {
        if (array_key_exists($key, $this->attachedFiles)) {
            return $this->getStaplerableAttribute($key);
        }
    }
    return parent::getAttribute($key);
}
public function setAttribute($key, $value)
{
    if ($this->hasTranslatedAttributes() && in_array($key, $this->translatedAttributes)) {
        return $this->setTranslatedAttribute($key, $value);
    } else {
        if (array_key_exists($key, $this->attachedFiles)) {
            return $this->setStaplerableAttribute($key, $value);
        }
    }
    return parent::setAttribute($key, $value);
}