FIX: Calendar disappears from view when changing category view

app/controllers/calendar_controller.rb

@@ -0,0 +1,5 @@
+class CalendarController < ::ApplicationController
+    def index
+        render json: {}
+    end
+end

assets/javascripts/discourse/calendar-category-route-map.js

@@ -0,0 +1,5 @@
+export default function () {
+  this.route("calendar-category", {
+    path: "/c/*category_slug_path_with_id/l/calendar",
+  });
+}

assets/javascripts/discourse/controllers/calendar-category.js

@@ -0,0 +1,7 @@
+import Controller from "@ember/controller";
+
+
+export default Controller.extend({
+
+});
+

assets/javascripts/discourse/routes/calendar-category.js

@@ -0,0 +1,7 @@
+import Route from "@ember/routing/route";
+
+export default Route.extend({
+    model() {
+
+      },
+});

assets/javascripts/discourse/templates/calendar-category.hbs

@@ -0,0 +1,3 @@
+<h3>
+  {{"Hola"}}
+</h3>

assets/javascripts/templates/connectors/extra-nav-item/calendar-category.hbs

@@ -0,0 +1,15 @@
+
+{{log 'outlet'}}
+{{log @outletArgs}}
+{{log 'outlet'}}
+
+{{log @outletArgs.model}}   
+{{log @outletArgs.target}}
+
+<p>This is it</p>
+ {{!-- <NavigationItem
+        @content= {{hash }}
+        @filterMode={{this.filterMode}}
+        @category={{this.category}}
+        @class={{concat "nav-item_" navItem.name}}
+/> --}}

config/routes.rb

@@ -1,4 +1,7 @@
 # frozen_string_literal: true
+Discourse::Application.routes.prepend do
+    get "/c/*category_slug_path_with_id/l/calendar" => "calendar#index"
+end
 
 Discourse::Application.routes.draw do
   mount ::DiscourseCalendar::Engine, at: "/"
@@ -13,6 +16,7 @@
   delete "/admin/discourse-calendar/holidays/enable" =>
            "admin/discourse_calendar/admin_holidays#enable",
          :constraints => StaffConstraint.new
+
 end
 
 DiscoursePostEvent::Engine.routes.draw do
@@ -28,6 +32,7 @@
   get "/discourse-post-event/events/:post_id/invitees" => "invitees#index"
   delete "/discourse-post-event/events/:post_id/invitees/:id" => "invitees#destroy"
   get "/upcoming-events" => "upcoming_events#index"
+
 end
 
 Discourse::Application.routes.draw { mount ::DiscoursePostEvent::Engine, at: "/" }