update BFRAME?

[tocha688]

Because there are multiple iframes in the interface and the internal selection is incorrect, I need to modify the selector, but it does not take effect

RecaptchaSolver.BFRAME = "iframe[src^='https://www.google.com/recaptcha/api2/bframe']:visible, iframe[src^='https://www.google.com/recaptcha/enterprise/bframe']:visible";