Fixes to autofmt, make it more aggressive (#2230)

* fix: fmt unterminated if, be more aggressive with line splits

* Fix: Handle long exprs in for/if statements

packages/autofmt/tests/samples/messy_indent.rsx

@@ -8,6 +8,10 @@ fn SaveClipboard() -> Element {
     };
 
     rsx! {
-        div { "hello world", "hello world", "hello world" }
+        div {
+            "hello world"
+            "hello world"
+            "hello world"
+        }
     }
 }