reCaptcha API makes Angular zone unstable for first 30 seconds after load.

[pumbox]

It appears that Angular zone is being blocked after loading reCaptcha component.
This happens right after loaded Google API calls window["reCaptchaOnloadCallback"] callback.
The same behaviour is noticed on new captcha request using this.captcha.reset();

After 30 seconds angular zone is released without any error.
This timer task is called after 30 seconds.