There is an updated pull request by absrd against master on the void-packages repository

https://github.com/absrd/void-packages xdg-desktop-portal-wlr
https://github.com/void-linux/void-packages/pull/23296

[NOMERGE] New package: xdg-desktop-portal-wlr-0.1.0
Adds screensharing for wayland

A patch file from https://github.com/void-linux/void-packages/pull/23296.patch is attached