Update confidential form buttons

MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/40893

app/assets/javascripts/sidebar/components/confidential/edit_form_buttons.vue

 <script>
 import $ from 'jquery';
-import { GlLoadingIcon } from '@gitlab/ui';
+import { GlButton } from '@gitlab/ui';
 import { mapActions } from 'vuex';
 import { __ } from '~/locale';
 import { deprecatedCreateFlash as Flash } from '~/flash';
@@ -8,7 +8,7 @@ import eventHub from '../../event_hub';
 
 export default {
   components: {
-    GlLoadingIcon,
+    GlButton,
   },
   props: {
     fullPath: {
@@ -64,18 +64,18 @@ export default {
 
 <template>
   <div class="sidebar-item-warning-message-actions">
-    <button type="button" class="btn btn-default gl-mr-3" @click="closeForm">
+    <gl-button class="gl-mr-3" @click="closeForm">
       {{ __('Cancel') }}
-    </button>
-    <button
-      type="button"
-      class="btn btn-close"
-      data-testid="confidential-toggle"
+    </gl-button>
+    <gl-button
+      category="secondary"
+      variant="warning"
       :disabled="isLoading"
+      :loading="isLoading"
+      data-testid="confidential-toggle"
       @click.prevent="submitForm"
     >
-      <gl-loading-icon v-if="isLoading" inline />
       {{ toggleButtonText }}
-    </button>
+    </gl-button>
   </div>
 </template>

changelogs/unreleased/229344-update-confidential-form-buttons.yml

+---
+title: Update confidential form buttons to gl-button
+merge_request: 40893
+author:
+type: changed

spec/features/issues/user_sees_live_update_spec.rb

@@ -39,7 +39,7 @@ RSpec.describe 'Issues > User sees live update', :js do
       expect(page).to have_css('.sidebar-item-warning-message')
 
       within('.sidebar-item-warning-message') do
-        find('.btn-close').click
+        find('[data-testid="confidential-toggle"]').click
       end
 
       wait_for_requests

spec/frontend/sidebar/confidential/edit_form_buttons_spec.js

 import { shallowMount } from '@vue/test-utils';
-import { GlLoadingIcon } from '@gitlab/ui';
 import waitForPromises from 'helpers/wait_for_promises';
 import EditFormButtons from '~/sidebar/components/confidential/edit_form_buttons.vue';
 import eventHub from '~/sidebar/event_hub';
@@ -56,11 +55,11 @@ describe('Edit Form Buttons', () => {
     });
 
     it('disables the toggle button', () => {
-      expect(findConfidentialToggle().attributes('disabled')).toBe('disabled');
+      expect(findConfidentialToggle().props('disabled')).toBe(true);
     });
 
-    it('finds the GlLoadingIcon', () => {
-      expect(wrapper.find(GlLoadingIcon).exists()).toBe(true);
+    it('sets loading on the toggle button', () => {
+      expect(findConfidentialToggle().props('loading')).toBe(true);
     });
   });
 
@@ -99,7 +98,7 @@ describe('Edit Form Buttons', () => {
   describe('when succeeds', () => {
     beforeEach(() => {
       createComponent({ data: { isLoading: false }, props: { confidential: true } });
-      findConfidentialToggle().trigger('click');
+      findConfidentialToggle().vm.$emit('click', new Event('click'));
     });
 
     it('dispatches the correct action', () => {
@@ -109,9 +108,9 @@ describe('Edit Form Buttons', () => {
       });
     });
 
-    it('resets loading', () => {
+    it('resets loading on the toggle button', () => {
       return waitForPromises().then(() => {
-        expect(wrapper.find(GlLoadingIcon).exists()).toBe(false);
+        expect(findConfidentialToggle().props('loading')).toBe(false);
       });
     });
 
@@ -135,7 +134,7 @@ describe('Edit Form Buttons', () => {
         props: { confidential: true },
         resolved: false,
       });
-      findConfidentialToggle().trigger('click');
+      findConfidentialToggle().vm.$emit('click', new Event('click'));
     });
 
     it('calls flash with the correct message', () => {