[Linux][AppImage] Not showing correct icon

[annd22]

I've successfully built my appimage file, but after run, it show the default icon like this

I checked the make_appimage_config.dart file and saw that the field Icon was equal to appName - which is the name defined in pubspec.yaml file. Maybe this making the bug?

[prateekmedia]

Fixed here, you can now specify package_name: #224