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/shorthand.rsx

@@ -0,0 +1,62 @@
+#[component]
+fn SomePassthru(class: String, id: String, children: Element) -> Element {
+    rsx! {
+        div {
+            // Comments
+            class,
+            "hello world"
+        }
+        h1 { class, "hello world" }
+
+        h1 { class, {children} }
+
+        h1 { class, id, {children} }
+
+        h1 { class,
+            "hello world"
+            {children}
+        }
+
+        h1 { id,
+            "hello world"
+            {children}
+        }
+
+        Other { class, children }
+
+        Other { class,
+            "hello world"
+            {children}
+        }
+
+        div {
+            // My comment here 1
+            // My comment here 2
+            // My comment here 3
+            // My comment here 4
+            class: "asdasd",
+
+            // Comment here
+            onclick: move |_| {
+                let a = 10;
+                let b = 40;
+                let c = 50;
+            },
+
+            // my comment
+
+            // This here
+            "hi"
+        }
+
+        // Comment head
+        div { class: "asd", "Jon" }
+
+        // Comment head
+        div {
+            // Collapse
+            class: "asd",
+            "Jon"
+        }
+    }
+}