Visual C++ project for Visual D doesn't allow d files

[Alex]

On Sunday, 19 May 2019 at 10:06:19 UTC, Alex wrote:
> When using "new file" in the a mixed project, only C files are 
> shown(in VS2019). While one can change the extension to .d, in 
> D projects it allows one creating a d file.

Also, cannot drag or add folders(when going to add then new 
folder, it is grayed out). This is for a brand new mixed project.