BasicSell-dutch - update period calculations
regarding to documentation changes public-projects/documentations!339 (merged) update periods calculation
Test cases:
| Auction start date | Min tenderPeriod start date | rectificationPeriod end datetime | questionPeriod end datetime |
|---|---|---|---|
| 2020-11-30 | 2020-11-30T16:15:00 | 2020-11-25 18:00:00 | 2020-11-29 18:00:00 |
| 2020-10-15 | 2020-10-15T15:15:00 | 2020-10-10 17:00:00 | 2020-10-14 17:00:00 |
| 2020-12-31 | 2020-12-31T16:15:00 | 2020-12-26 18:00:00 | 2020-12-30 18:00:00 |
| 2021-04-30 | 2021-04-30T15:15:00 | 2021-04-25 17:00:00 | 2021-04-29 17:00:00 |
Edited by Viacheslav Sukhovieiev