Add help page link and standardize "Service Desk"

app/assets/javascripts/projects/settings_service_desk/components/service_desk_setting.js

@@ -37,7 +37,7 @@ export default {
             :checked="isEnabled"
             @change="onCheckboxToggle($event)">
           <span class="descr">
-            Activate service desk
+            Activate Service Desk
           </span>
         </label>
       </div>

app/views/projects/edit.html.haml

@@ -131,7 +131,7 @@
           %fieldset.js-service-desk-setting-wrapper.features.append-bottom-default
             %h5.prepend-top-0
               Service Desk
-              = link_to icon('question-circle'), help_page_path("TODO")
+              = link_to icon('question-circle'), help_page_path('user/project/service_desk')
             .js-service-desk-setting-root{ data: { endpoint: namespace_project_service_desk_path(@project.namespace, @project),
               enabled: @project.service_desk_enabled,
               incoming_email: (@project.service_desk_address if @project.service_desk_enabled) } }

spec/features/projects/settings/ee/service_desk_setting_spec.rb

@@ -15,7 +15,7 @@ describe 'Service Desk Setting', js: true, feature: true do
     visit edit_namespace_project_path(project.namespace, project)
   end
 
-  it 'shows service desk activation checkbox' do
+  it 'shows Service Desk activation checkbox' do
     expect(page).to have_selector("#service-desk-enabled-checkbox")
   end
 

spec/javascripts/projects/settings_service_desk/services/service_desk_service_spec.js

@@ -26,7 +26,7 @@ describe('ServiceDeskService', () => {
   });
 
   describe('toggleServiceDesk', () => {
-    it('enable service desk', (done) => {
+    it('enable Service Desk', (done) => {
       spyOn(service.serviceDeskResource, 'update').and.returnValue(Promise.resolve({
         data: {
           service_desk_enabled: true,
@@ -40,11 +40,11 @@ describe('ServiceDeskService', () => {
           done();
         })
         .catch((err) => {
-          done.fail(`Failed to enable service desk and fetch incoming email:\n${err}`);
+          done.fail(`Failed to enable Service Desk and fetch incoming email:\n${err}`);
         });
     });
 
-    it('disable service desk', (done) => {
+    it('disable Service Desk', (done) => {
       spyOn(service.serviceDeskResource, 'update').and.returnValue(Promise.resolve({
         data: {
           service_desk_enabled: false,
@@ -58,7 +58,7 @@ describe('ServiceDeskService', () => {
           done();
         })
         .catch((err) => {
-          done.fail(`Failed to disable service desk and reset incoming email:\n${err}`);
+          done.fail(`Failed to disable Service Desk and reset incoming email:\n${err}`);
         });
     });
   });