Allow user to select instance for Title AND edit title from POL view

Purpose:  Rename the Linked instances accordion to "Package titles" accordion for the Package POL view. Allow users to add titles for receiving from this view so they don't need to leave the order app to finish building the order.

User story statement(s):

As an ordering librarian
I want to be able to add title information to my package POL from the orders app
so that I don't need to navigate to receiving to complete my order details.

Scenarios:

1. Scenario:
   • Given has click add button to display select instance modal
   • When user selects an instance
   • Then FOLIO creates a receiving title for the Package POL
   • AND modal is dismissed
   • AND Title information appears in table on POL view
2. Scenario:
   • Given user has added titles to POL
   • When clicking on title row (But NOT on hyperlink Title column)
   • User is shown full-screen title edit form
   • AND Saving or Canceling form takes user back to POL