FIX: Wizard id increment fix (#177)

* increment object ids based on last object id

* Bump version

* Apply prettier

assets/javascripts/discourse/components/wizard-links.js.es6

@@ -81,7 +81,8 @@ export default Component.extend({
 
       let index = 0;
       if (items.length) {
-        index = items.length;
+        let last_item = items[items.length - 1];
+        index = Number(last_item.id.split("_").pop());
       }
 
       params.index = index;

plugin.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 # name: discourse-custom-wizard
 # about: Create custom wizards
-# version: 1.17.0
+# version: 1.17.1
 # authors: Angus McLeod
 # url: https://github.com/paviliondev/discourse-custom-wizard
 # contact emails: angus@thepavilion.io