fix modifying mathjax settings

extra_markdown.tpl

@@ -10,14 +10,14 @@
 
 <script>
 window.addEventListener('load', function() {
-  MathJax.Hub.Queue(
-    ["setRenderer",MathJax.Hub,"SVG"]
-  );
   Plotly.d3.json('/{{plotly_url}}', function(error, fig) {
+    MathJax.Hub.Queue(
+      ["setRenderer",MathJax.Hub,"SVG"]
+    );
     Plotly.plot('{{div_id}}', fig.data, fig.layout);
-  MathJax.Hub.Queue(
-    ["setRenderer",MathJax.Hub,"HTMLCSS-output"]
-  );
+    MathJax.Hub.Queue(
+      ["setRenderer",MathJax.Hub,"HTMLCSS-output"]
+    );
   });
 });
 </script>