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

https://github.com/Johnnynator/void-packages telegram-desktop-1.8.4
https://github.com/void-linux/void-packages/pull/14290

telegram-desktop: update to 1.8.4.
Test repo: https://void.johnnynator.dev/telegram-desktop/

A patch file from https://github.com/void-linux/void-packages/pull/14290.patch is attached