fix: vk-smoke names the frame's damage

cce-ui's Frame2D gained the field; the smoke test draws the whole
surface.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

 src/vk_smoke.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/vk_smoke.rs b/src/vk_smoke.rs
index 18a6bb4..70162f6 100644
--- a/src/vk_smoke.rs
+++ b/src/vk_smoke.rs
@@ -496,6 +496,7 @@ fn main() {
                 images: &image_quads,
                 plate_features: &[],
                 clear_color: [0.0; 4],
+                damage: None,
             });
         }
     }