Migrate itorders main case to use new process designer

2019 Week 41-43 (from Okt 7), 2019 Week 44-46 (from Okt 28), 2019 Week 47-49 (from Nov 18), 2019 Week 50-52 (from Dec 9), 2020 Week 01-03 (from Dec 30), 2020 Week 04-06 (from Jan 20), 2020 Week 07-09 (from Feb 10), 2020 Week 10-12 (from Mar 2), 2020 Week 13-15 (from Mar 23), 2020 Week 16-18 (from Apr 13), 2020 Week 19-21 (from May 4), 2020 Week 22-24 (from May 25), 2020 Week 25-27 (from Jun 15), 2020 Week 28-30 (from Jul 6), 2020 Week 31-33 (from Jul 27), 2020 Week 34-36 (from Aug 17), 2020 Week 37-39 (from Sep 7), 2020 Week 40-42 (from Sep 28)