fix: fixed startup for Gnome DE

Author: SiriusCrain

src/main/main.ts

@@ -11,6 +11,8 @@ import { TrayIcons } from './icons';
 import MenuBuilder from './menu';
 import Updater from './updater';
 
+if (isLinux) app.commandLine?.appendSwitch('--gtk-version', '3');
+
 log.initialize();
 
 const browserWindowOpts = {