fix: Scheduler track color and obsolete action (#4756)

app/components/scheduler/unscheduled-session.js

@@ -17,7 +17,7 @@ export default class UnscheduledSession extends Component {
       stick    : true, // maintain when user navigates (see docs on the renderEvent method)
       id       : $element.attr('id'),
       serverId : this.session.id, // id of the session on the server
-      color    : this.session.track.color
+      color    : this.session.get('track.color')
 
     });
     $element.draggable({
@@ -26,7 +26,7 @@ export default class UnscheduledSession extends Component {
       revertDuration : 0  //  original position after the drag
     });
     $element.data('serverId', this.session.id);
-    $element.css('border-color', this.session.track.color);
+    $element.css('border-color', this.session.get('track.color'));
 
   }
 

app/templates/events/view/scheduler.hbs

@@ -29,7 +29,6 @@
         @groupByResource={{true}}
         @resourceLabelText="Rooms"
         @header={{this.model.header}}
-        @ondragover="{{action 'allowDrop' this.event}}"
         @views={{this.model.views}}
         @viewName="agendaDay"
         @drop={{action "drop"}}

tests/integration/components/scheduler/unscheduled-session-test.js

@@ -1,4 +1,5 @@
 import { hbs } from 'ember-cli-htmlbars';
+import EmberObject from '@ember/object';
 import { render } from '@ember/test-helpers';
 import { module, test } from 'qunit';
 import { setupIntegrationTest } from 'open-event-frontend/tests/helpers/setup-integration-test';
@@ -7,11 +8,11 @@ module('Integration | Component | scheduler/unscheduled session', function(hooks
   setupIntegrationTest(hooks);
 
   test('it renders', async function(assert) {
-    this.set('session', {
+    this.set('session', EmberObject.create({
       track: {
         color: '#fff333'
       }
-    });
+    }));
     await render(hbs`{{scheduler/unscheduled-session session=session}}`);
     assert.ok(this.element.innerHTML.trim().includes('|'));
   });