Allow Scultping Stencil Preview

Would be really nice if we could see some kind of preview of the stencil when changing its size. Kind of like how you can see the preview of the stencil when not changing the size. So that when you change the size of the stencil, you can see the preview and how the size value is affecting the size visually. The preview of the stencil and its size visually changing, would help users to see the size change, when changing the size value