Changes to GET /api/v3/submissions/capabilities

added the optional property issues/items/reason to the response with the 400 status

added the optional property issues/items/reason to the response with the 401 status

added the optional property issues/items/reason to the response with the 403 status

added the optional property issues/items/reason to the response with the 429 status

added the optional property issues/items/reason to the response with the 500 status

added the optional property issues/items/reason to the response with the 503 status

added the new detect-and-identify enum value to the processingModes/items response property for the response status 200

endpoint added