Align corner clipping, antialiasing, and fractional material regions

shell/ferese-shell/src/status_ui/mod.rs

@@ -222,6 +222,7 @@ impl FereseShell {
                     width: 1.0,
                     radius: theme.material_radius.into(),
                 },
+                snap: true,
                 ..Default::default()
             }));