Detail map do not work with mask map in same material

[EduardasFunka]

Hi,
I found this bug in many versions of the unity was hoping for a fix a long time ago but now it’s very important for me can’t wait for a fix from unity need help from the community on how to fix that.

[teutonicus]

The blue channel of the Mask Map is a detail map mask.

https://docs.unity3d.com/Packages/com.unity.render-pipelines.high-definition@8.0/manual/Mask-Map-and-Detail-Map.html