LaTeX template: fix behavior of colorlinks variable

Fixes a regression that required the `boxlinks` variable to be set in
addition to the usual link coloring variables. Otherwise links were
never colored in LaTeX PDF output.

Fixes: #8226

data/templates/default.latex

@@ -403,10 +403,11 @@ $if(colorlinks)$
   filecolor={$if(filecolor)$$filecolor$$else$Maroon$endif$},
   citecolor={$if(citecolor)$$citecolor$$else$Blue$endif$},
   urlcolor={$if(urlcolor)$$urlcolor$$else$Blue$endif$},
-$endif$
+$else$
 $if(boxlinks)$
 $else$
   hidelinks,
+$endif$
 $endif$
   pdfcreator={LaTeX via pandoc}}