fix minification (2)

static/js/libs/katex.js

@@ -22,7 +22,7 @@ window.addEventListener("load", () => {
     katex.render(element.textContent, element, {
       throwOnError: false,
       displayMode: element.getAttribute(attribute) === "display",
-      macros,
+      macros: macros,
       output: "mathml",
     });
   }