Changes to List accessible OAuth authentications

added the optional property data/items/createdAt to the response with the 200 status

added the optional property data/items/oauthClient to the response with the 200 status

the response's body type changed from no type to object for status 200

added optional request body

removed Pagination Sorting subschema #3 from the response body allOf list for the response status 200

added the optional property data to the response with the 200 status

added the optional property pagination to the response with the 200 status

added the optional property policies to the response with the 200 status

removed the non-success response with the status 404

endpoint added