Options.hs: defaultMathJaxURL: use tex-chtml-full instead of tex-mml-…

…chtml (#6600)

Closes #6599

c.f. https://docs.mathjax.org/en/latest/web/components/combined.html

Note that while this use the full variant of the js, this drops the mathml support.
That should be okay, because pandoc renders math in HTML as TeX when using
mathjax.

This change reduces latency.

src/Text/Pandoc/Options.hs

@@ -309,7 +309,7 @@ isEnabled :: HasSyntaxExtensions a => Extension -> a -> Bool
 isEnabled ext opts = ext `extensionEnabled` getExtensions opts
 
 defaultMathJaxURL :: Text
-defaultMathJaxURL = "https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"
+defaultMathJaxURL = "https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml-full.js"
 
 defaultKaTeXURL :: Text
 defaultKaTeXURL = "https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.11.1/"