const fields = {
requisites_phone: data.requisites?.phone,
}
form.setFieldsValue(fields);
<Col span={6}>
<Form.Item
name='requisites_phone'
label='Контактный телефон'
rules={[{ required: true, message: REQUIRED_TEXT }]}
>
<MaskedInput disabled={isDisabled} mask={PHONE_MASK} />
</Form.Item>
</Col>