Instance connection of POL (integration with back end)

Purpose: When orders are created that do not link to an instance or that link to the wrong one. The user may desire to edit the order once it is open and connect it to the appropriate instance.

User story statement(s):

As an acquisitions librarian,
 I want to be able to update the POL instance connection of an Open POL
 so that I can correct errors and improve order reporting accuracy

Scenarios:
 # Success toast message:
 ** Given user is changing instance connection
 ** When user confirms details of change
 ** Then user is shown success message
 *** Order instance connection has been successfully updated
 # Error toast message:
 ** Given user is changing instance connection
 ** When user confirms details of change
 ** Then user is shown success message
 *** Order instance connection could not be updated: [insert error message from backend]

1. Error toast message:
    ** Given user is changing instance connection
    ** When error occurs moving items
    ** Then display a list of items that could not be moved to the user

Note MIRO created with diagrams [https://miro.com/app/board/uXjVOExnKfA=/?invite_link_id=730733465384]