Changes to GET /api/links

removed the success response with the status 200

response property links/items/description list-of-types was widened by adding types null to media type application/json of response 200

the links/items/description response property's maxLength was unset from 50 for the response status 200

added subschema #1 subschema #2 to the links/items/iconUrl response property anyOf list for the response status 200

removed subschema #1 subschema #2 from the links/items/iconUrl response property oneOf list for the response status 200

added the optional property links/items/isVisibleOnGuestDashboard to the response with the 200 status