Fix rsx autocomplete and diagnostics in the root; provide better completions after attributes are finished (#2656)

* fix rsx autocomplete and diagnostics in the root; provide better completions after attributes are finished

* clean up pr to use internal child parsing

* Fix peek_lowercase name

* fix comma diagnostics in the root

* Fix parsing components with a path

* remove simple routes trailing comma

* Fix incomplete_root_elements test

* Remove trailing commas from root body node in tests

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Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/autofmt/src/writer.rs

@@ -82,7 +82,8 @@ impl<'a> Writer<'a> {
 
         write!(self.out, "{name} {{")?;
 
-        self.write_rsx_block(attributes, spreads, children, brace)?;
+        let brace = brace.unwrap_or_default();
+        self.write_rsx_block(attributes, spreads, children, &brace)?;
 
         write!(self.out, "}}")?;