Adwaita icon extension for Cinnamon Environment with the same icon style as cinnamon settings.
Source: https://github.com/shlinux/faenza-icon-theme
Note: As of Cinnamon 6.2, the Adwaita theme has been removed from the theme settings. To use Adwaita, you must use the Dark-Mode applet.
Link: https://cinnamon-spices.linuxmint.com/applets/view/347