[ENGA3-540] : Bug fixed on partial refund

1. Objective

Bug fixed on partial refund

Partial refund was not working since getGrandTotalAmount() was using in RefundDataBuilder Instead get order from payment and get proper store_id, order currency and online refunded amount.

Related information: ENGA3-540

2. Description of change

get order from payment and get proper store_id, order currency and online refunded amount.

3. Quality assurance

Please test with different store, different currency and do full refund and partial refund

4. Impact of the change

N/A

5. Priority of change

Normal

6. Additional Notes

N/A

omise / omise-magento

[ENGA3-540] : Bug fixed on partial refund #399