Org reader: prefer plain symbols over math symbols

Symbols like `\alpha` are output plain and unemphasized, not as math.

Fixes: #5483

src/Text/Pandoc/Readers/Org/Inlines.hs

@@ -791,7 +791,7 @@ inlineLaTeX = try $ do
   cmd <- inlineLaTeXCommand
   ils <- (lift . lift) $ parseAsInlineLaTeX cmd
   maybe mzero returnF $
-     parseAsMath cmd `mplus` parseAsMathMLSym cmd `mplus` ils
+     parseAsMathMLSym cmd `mplus` parseAsMath cmd `mplus` ils
  where
    parseAsMath :: String -> Maybe Inlines
    parseAsMath cs = B.fromList <$> texMathToPandoc cs

test/Tests/Readers/Org/Inline.hs

@@ -328,9 +328,13 @@ tests =
       "\\emph{Emphasis mine}" =?>
       para (emph "Emphasis mine")
 
-  , "Inline LaTeX math symbol" =:
-      "\\tau" =?>
-      para (emph "τ")
+  , "Inline math symbols" =:
+      "\\tau \\oplus \\alpha" =?>
+      para "τ ⊕ α"
+
+  , "Inline LaTeX math command" =:
+      "\\crarr" =?>
+      para "↵"
 
   , "Unknown inline LaTeX command" =:
       "\\notacommand{foo}" =?>