Broken material icons

[Maddoc42]

Some icons from the material collection do create a proper shadow. In some cases the fault seems to origin from paper.js boolean operations (see for example https://github.com/paperjs/paper.js/issues/968).

The following is an incomplete lists of broken icons:

action/face action/change history action/important devices action/perm identity action/remove shopping cart action/speaker notes off action/touch app action/update