Harden parametric sketch constraints

src/scene/pipeline/mesh_gpu.rs

@@ -2492,7 +2492,6 @@ mod texture_limit_tests {
         let rgba = vec![0u8; 10];
         assert!(downscale_rgba_to_limit(1000, 1000, &rgba, 512).is_none());
     }
-
     #[test]
     fn malformed_material_images_are_rejected_even_below_the_texture_limit() {
         for (width, height, pixels) in [(0, 1, vec![]), (1, 0, vec![]), (1, 1, vec![0; 3]), (1, 1, vec![0; 5])] {
@@ -2501,4 +2500,5 @@ mod texture_limit_tests {
         }
         assert!(downscale_rgba_to_limit(1, 1, &[0; 4], 0).is_none());
     }
+
 }