Change model attributes to tracked

addons/api/addon/models/session.js

@@ -2,12 +2,13 @@ import GeneratedSessionModel from '../generated/models/session';
 import { computed } from '@ember/object';
 import { equal } from '@ember/object/computed';
 import { attr } from '@ember-data/model';
+import { tracked } from '@glimmer/tracking';
 
 export default class SessionModel extends GeneratedSessionModel {
   // =attributes
 
-  @attr('boolean', { readOnly: true }) acknowledged;
-  @attr('boolean', { readOnly: true }) started_desktop_client;
+  @tracked acknowledged;
+  @tracked started_desktop_client;
   @attr('string', { readOnly: true }) proxy_address;
   @attr('number', { readOnly: true }) proxy_port;
 

ui/desktop/app/routes/scopes/scope/projects/targets.js

@@ -111,7 +111,9 @@ export default class ScopesScopeProjectsTargetsRoute extends Route {
 
       // Associate the connection details with the session
       const { session_id, address, port } = connectionDetails;
-      await this.store.findRecord('session', session_id);
+      const session = await this.store.findRecord('session', session_id);
+      // Flag the session has been open in the desktop client
+      session.started_desktop_client = true;
 
       // Update the session record with proxy information from the CLI
       // This is read-only information that shouldn't dirty the session,
@@ -124,7 +126,6 @@ export default class ScopesScopeProjectsTargetsRoute extends Route {
             id: session_id,
             type: 'session',
             attributes: {
-              started_desktop_client: true,
               proxy_address: address,
               proxy_port: port
             }