KV automatic delete state issue in UI (#13166)

* converts secret-v2-version model to native class -- fixes issues with cached values for deleted prop

* adds changelog entry

* adds disabled state to ToolbarLink component and disables create new version action when users cannot read metadata

* updates secret-edit acceptance test

ui/tests/integration/components/toolbar-link-test.js

@@ -1,6 +1,6 @@
 import { module, test } from 'qunit';
 import { setupRenderingTest } from 'ember-qunit';
-import { render } from '@ember/test-helpers';
+import { render, triggerEvent } from '@ember/test-helpers';
 import { isPresent } from 'ember-cli-page-object';
 import hbs from 'htmlbars-inline-precompile';
 
@@ -14,4 +14,41 @@ module('Integration | Component | toolbar-link', function(hooks) {
     assert.ok(isPresent('.toolbar-link'));
     assert.ok(isPresent('.icon'));
   });
+
+  test('it should render icons', async function(assert) {
+    assert.expect(2);
+
+    await render(hbs`
+      <ToolbarLink
+        @params={{array '/secrets'}}
+        @type={{this.type}}
+      >
+        Test Link
+      </ToolbarLink>
+    `);
+
+    assert.dom('[data-test-icon="chevron-right"]').exists('Default chevron right icon renders');
+    this.set('type', 'add');
+    assert.dom('[data-test-icon="plus-plain"]').exists('Icon can be overriden to show plus sign');
+  });
+
+  test('it should disable and show tooltip if provided', async function(assert) {
+    assert.expect(3);
+
+    await render(hbs`
+      <ToolbarLink
+        @params={{array '/secrets'}}
+        @disabled={{true}}
+        @disabledTooltip={{this.tooltip}}
+      >
+        Test Link
+      </ToolbarLink>
+    `);
+
+    assert.dom('a').hasClass('disabled', 'Link can be disabled');
+    assert.dom('[data-test-popup-menu-trigger]').doesNotExist('Tooltip is hidden when not provided');
+    this.set('tooltip', 'Test tooltip');
+    await triggerEvent('.ember-basic-dropdown-trigger', 'mouseenter');
+    assert.dom('[data-test-disabled-tooltip]').hasText(this.tooltip, 'Tooltip renders');
+  });
 });