File Compare option on Confirm Overwrite screen

If we try to copy a file that already exist we are prompted with a screen confirmation screen, that says:
Remote file 'filename.ext'already exist. Overwrite?

At that point it will be very useful an option to compare both files, and the compare could be the same as in the custom commands.

See attached screen shot for a possible design.

Thanks for your suggestion. This request has been added to the tracker:
https://winscp.net/tracker/782