FIX: info not working, not suppressing hidden tags from report (#696)

2 small fixes

1. The info button was not properly working post refactor
2. Suppress any secured tags from report input

assets/javascripts/discourse/lib/utilities.js

@@ -5,6 +5,10 @@ export const IMAGE_MARKDOWN_REGEX =
   /!\[(.*?)\|(\d{1,4}x\d{1,4})(,\s*\d{1,3}%)?(.*?)\]\((upload:\/\/.*?)\)(?!(.*`))/g;
 
 export function jsonToHtml(json) {
+  if (json === null) {
+    return "null";
+  }
+
   if (typeof json !== "object") {
     return escapeExpression(json);
   }