fix: autofmt on single line rsx calls

packages/autofmt/tests/wrong/multi.rsx

@@ -0,0 +1,3 @@
+fn app(cx: Scope) -> Element {
+    cx.render(rsx! { div { "hello world" } })
+}

packages/autofmt/tests/wrong/multi.wrong.rsx

@@ -0,0 +1,5 @@
+fn app(cx: Scope) -> Element {
+    cx.render(rsx! {
+        div {"hello world" }
+    })
+}