#212 Black square instead of Rachota icon in system tray

[Jiri Kovalsky]

Since Linux Mint 21 with Cinnamon window manager Rachota can no longer be controlled via its icon in the system tray. Instead of Rachota logo a black square is shown - see attached screenshot.

This is unfortunately a known upstream issue:
https://github.com/linuxmint/mint21-beta/issues/105
https://github.com/linuxmint/cinnamon/issues/10830

Some solutions drafted in:
https://github.com/cryptomator/cryptomator/issues/1645