UX: allow component to change lock icons in category boxes (#9)

javascripts/discourse/initializers/category-icons.js

@@ -6,6 +6,8 @@ import { isRTL } from "discourse/lib/text-direction";
 import { h } from "virtual-dom";
 import getURL from "discourse-common/lib/get-url";
 import categoryTitleLink from "discourse/components/category-title-link";
+import categoriesBoxes from "discourse/components/categories-boxes";
+import categoriesBoxesWithTopics from "discourse/components/categories-boxes-with-topics";
 import I18n from "I18n";
 import { get } from "@ember/object";
 import { escapeExpression } from "discourse/lib/utilities";
@@ -22,6 +24,14 @@ export default {
         lockIcon: lockIcon,
       });
 
+      categoriesBoxes.reopen({
+        lockIcon: lockIcon,
+      });
+
+      categoriesBoxesWithTopics.reopen({
+        lockIcon: lockIcon,
+      });
+
       function categoryStripe(color, classes) {
         var style = color ? "style='background-color: #" + color + ";'" : "";
         return "<span class='" + classes + "' " + style + "></span>";