Igor Skokov

Same problem on Ubuntu 20.04 ``` ** (com.github.johnfactotum.Foliate:1173356): ERROR **: 20:03:01.073: Unable to fork a new child process: Failed to execute child process “/usr/lib/x86_64-linux-gnu/webkit2gtk-4.0/WebKitNetworkProcess” (No such file or directory) ```