chore: 🤖 add support for changing origin if unauthenticated

ui/desktop/app/routes/origin.js

@@ -5,6 +5,7 @@ import { action } from '@ember/object';
 export default class OriginRoute extends Route {
   // =services
 
+  @service session;
   @service origin;
   @service intl;
   @service notify;
@@ -20,6 +21,24 @@ export default class OriginRoute extends Route {
 
   // =methods
 
+  /**
+   * If arriving here already authenticated, redirect to index for further
+   * processing.  User must be logged out before changing the origin.
+   */
+  beforeModel() {
+    if (this.session.isAuthenticated) this.replaceWith('index');
+  }
+
+  /**
+   * Adds the existing origin, if any, to the controller scope.
+   * @param {Controller} controller
+   */
+  setupController(controller) {
+    super.setupController(...arguments);
+    const origin = this.origin.rendererOrigin;
+    controller.setProperties({ origin });
+  }
+
   /**
    * Points the API to the specified origin.  When the main process receives
    * the origin, it is expected that the renderer will be restarted.