There is a new pull request by sgn against master on the void-packages repository

https://github.com/sgn/void-packages lightdm-greeter
https://github.com/void-linux/void-packages/pull/45298

lightdm: explicitly requires a greeter.
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/45298.patch is attached