Add randomness to typing speed in "press_keys(selector, text)" in CDP Mode

[mdmintz]

Add randomness to typing speed in press_keys(selector, text) in CDP Mode.

This can improve stealth when anti-bot services are carefully inspecting typing speed within text fields.

[mdmintz]

This was resolved in 4.44.7 - https://github.com/seleniumbase/SeleniumBase/releases/tag/v4.44.7