ui: add copyright headers to new files (#22817)

* ui: add copyright headers to new files

* fix list-collection test

Author: suresh-hashicorp

ui/packages/consul-ui/app/components/popover-menu/menu-item/critical-button/index.hbs

@@ -1,3 +1,8 @@
+{{!
+  Copyright (c) HashiCorp, Inc.
+  SPDX-License-Identifier: BUSL-1.1
+~}}
+
 <Hds::Button
   @color='critical'
   @text={{@text}}

ui/packages/consul-ui/app/modifiers/fix-code-block-aria.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: BUSL-1.1
+ */
+
 import { modifier } from 'ember-modifier';
 
 export default modifier(function fixCodeBlockAria(element) {

ui/packages/consul-ui/app/modifiers/fix-super-select-aria.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: BUSL-1.1
+ */
+
 import { modifier } from 'ember-modifier';
 
 export default modifier(function fixSuperSelectAria(element) {

ui/packages/consul-ui/tests/integration/components/list-collection-test.js

@@ -35,7 +35,7 @@ module('Integration | Component | list collection', function (hooks) {
 
     // Add a footer for collision detection
     const footer = document.createElement('footer');
-    footer.setAttribute('role', 'contentinfo');
+    footer.id = 'contentinfo';
     footer.style.position = 'fixed';
     footer.style.bottom = '0';
     footer.style.height = '50px';

ui/packages/consul-ui/tests/integration/modifiers/fix-code-block-aria-test.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: BUSL-1.1
+ */
+
 import { module, test } from 'qunit';
 import { setupRenderingTest } from 'ember-qunit';
 import { render } from '@ember/test-helpers';

ui/packages/consul-ui/tests/integration/modifiers/fix-super-select-aria-test.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: BUSL-1.1
+ */
+
 import { module, test } from 'qunit';
 import { setupRenderingTest } from 'ember-qunit';
 import { render } from '@ember/test-helpers';