Here is the option to not need to double click to resign.
greasyfork.org/en/scripts/12241-lichess-auto-confirm-resign/code
You need an browser extension to install it, instructions here greasyfork.org/en/help/installing-user-scripts
greasyfork.org/en/scripts/12241-lichess-auto-confirm-resign/code
You need an browser extension to install it, instructions here greasyfork.org/en/help/installing-user-scripts