Non-transparent svg and image (png) export

[hervyqa]

After exporting, there is a white background canvas. This makes png/svg non-transparent.

vym version: 2.8.42 - 2022-09-29
   Platform: NixOS 22.11 (Raccoon)
 localeName: en_US.UTF-8
  tmpVymDir: /tmp/vym-L0VX6g
zipToolPath: /nix/store/kw19wgs88ka17id6l2cwpyvs5jnphjkn-zip-3.0/bin/zip
 vymBaseDir: /nix/store/m9nwjb77gfvnv9wcwp6hf0yxvfl1aiw7-vym-2.8.42/share
currentPath: /home/hervyqa
 appDirPath: /nix/store/m9nwjb77gfvnv9wcwp6hf0yxvfl1aiw7-vym-2.8.42/bin
   Settings: /home/hervyqa/.config/InSilmaril/vym.conf
 SSL status: supported
     SSL Qt: OpenSSL 3.0.7 1 Nov 2022
    SSL lib: OpenSSL 3.0.7 1 Nov 2022

[insilmaril]

Never noticed that one, thanks!

Some more info related:
https://forum.qt.io/topic/81353/exporting-qgraphicsscene-to-transparent-png