[feature request] `[RNAAS]{aastex62}` doesn't have section numbering

[nschloe]

MWE:

\documentclass[RNAAS]{aastex62}

\begin{document}
\section{abc}
\end{document}

LaTeX output:

LaTeXML output:

<title><tag close=" ">1</tag>abc</title>

(Superfluous 1.)