Be able to change a Sales Rep on Invoice or Customer Credit

Invoice edit form:

• Sales Rep dropdown:
  • added on the top bar;
  • contains the List of Sales Rep in the system;
  • is editable;
  • if on Sale Order user selects Sales Rep -> on Linked Invoice display selected Sales rep from SO:
    • only on first-time creation, not on update.

Invoice List form:

• Sales Rep filter:
  • updated logic -> filter Order by Sales Rep on Invoice, not Sales Order.

Customer Credit edit form:

• Sales Rep dropdown:
  • added on the top bar;
  • contains the List of Sales Rep in the system;
  • is editable.