Bootbox is now imported

assets/javascripts/wizard-custom-lib.js

@@ -5,3 +5,7 @@ Wizard.RAW_TEMPLATES = {};
 Discourse.__widget_helpers = {};
 window.__DISCOURSE_RAW_TEMPLATES = {};
 Discourse.SiteSettings = Wizard.SiteSettings;
+
+define("bootbox", ["exports"], function(__exports__) {
+  __exports__.default = window.bootbox;
+});

assets/javascripts/wizard-custom.js

@@ -122,6 +122,7 @@
 //= require template_include.js
 //= require caret_position.js
 //= require popper.js
+//= require bootbox.js
 
 //= require ./wizard/custom-wizard
 //= require_tree ./wizard/components