Update Proforma Bill after changing SLT qty. Phase 2

To the Update Proforma Bill after changing SLT qty functionality was added the following:

Implemented next scenarios:

If IR was created based on the SLT:

• if item was deleted/decreased then qty will be:
  • decreased from SLT
  • decreased from Bill (if exist)

• if item was increased then qty will be:
  • increased on SLT
  • increased on Bill (if exist)

• if item was added to the IR then item will be:
  • not added to SLT
  • added to the Bill

Previous Phase 1: Support Bill Increase, decrease, delete. Phase 1