fix: dont choke on emojji n exprs

packages/autofmt/tests/samples/trailing_expr.rsx

@@ -0,0 +1,7 @@
+fn it_works() {
+    cx.render(rsx! {
+        div {
+            span { "Description: ", package.description.as_deref().unwrap_or("❌❌❌❌ missing") }
+        }
+    })
+}