When you install a new Orchard instance using the clayless branch and create a Query with a ContentTypes filter, you will get an InvalidOperationException: " Invalid base type for shape: Orchard.Forms.Shapes.PropertiesAreItems"

See attachment for a more colorful representation of the error.

Steps to reproduce:

1. Clone the repo.
2. Update to the clayless branch
3. Build and launch the site
4. Create a new Query
5. Add a new Content Type filter. You will now see the error.