graphics/converseen: update to 0.12.2.0
ChangeLog: https://converseen.fasterland.net/
- Fixed problem with resolution settings when converting from PDF to image
- Fixed bug with the resolution setting of PNG images
- Fixed bug with displaying the resolution correctly in the UI
- Fixed problem with program icon display in Wayland
- Fixed problem with displaying dialogs in Wayland
- Updated French translation
- Various Bugfixes