* 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>