path of screenshot and pagesource on failure – should be windows friendly

[Iakiv Kramarenko]

Currently the rendered in the error message path on Windows – is not clickable, because is rendered incorrectly...

[Iakiv Kramarenko]

Here is a place where to start fixing:

selene/selene/core/configuration.py

Line 1237 in 4d7b027

 _save_screenshot_strategy: Callable[[Config, Optional[str]], Any] = ( 

[Cameron Shimmin]

I am working on this.