Settings CRUD to allow additional External IDs to be used by Checkout

Purpose: Libraries have a need for multiple external IDS in the FOLIO record.These IDs should be usable for searching anywhere in FOLIO user IDs can be searched (i.e. Check out.)

Scenarios

1. Scenario
   Given the Settings>Circulation>Other settings
   When you open the table, you see some selections. Three are system set (Barcode, FOLIO ID, and Username)
   AND there is a box to select various external system IDs
   Then you can select specific IDs to be used for checkout.
2. Scenario
   Given I am in the settings box for external system IDs
   When there are multiple external system IDs available with the boxes to check to allow for circ use
   and when there is also a box that will set all the external system IDs to be circulation tokens by default
   I can check the single box and all IDs will automatically be checked as circulation tokens.
3. Scenario
   Given I am in the Check out app
   When a specific External ID is is selected in settings
   Then I can use the External system ID t(e.g. PIN number) to search for the patron

See attached screenshot