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

https://github.com/purpurrot/void-packages libreoffice
https://github.com/void-linux/void-packages/pull/9234

libreoffice: update to 6.2.1.2 and enable KDE/Qt integration
[ci skip]

A patch file from https://github.com/void-linux/void-packages/pull/9234.patch is attached