POS -> SO Draft
If POS was saved as SO Draft (was clicked Put on Hold button) then
after reopening POS -> will be opened POS edit screen (not SO edit)
if POS was saved as POS draft -> after clicking on the SO # should be opened POS edit form, in such places as:
- Customer recent transactions
- SO-> Invoice linked documents -> SO #
- Invoice edit form
- Invoice edit -> Related documents
- Invoice list form
- Customer center